Red Blood Cell Count (RBC): What It Is and What Your Result Means

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Quest $0.99

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Quest $22.49

This panel checks key markers to determine if the patient has levels that point towards anemia.

Sample type: Serum Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: Yes

Biomarkers

White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Myelocytes The absolute number of myelocytes, early immature white blood cells normally found only in bone marrow, in your blood.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Nucleated RBC (%) The number of nucleated red blood cells, immature red cells not normally seen in adult blood, expressed relative to your white blood cells.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Metamyelocytes The absolute number of metamyelocytes, immature white blood cells normally found in bone marrow, in your blood as part of a differential count.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Band Neutrophils Counts the number of band neutrophils, young infection-fighting white blood cells, per volume of blood, which can rise with infection or inflammation.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Nucleated RBC The absolute number of nucleated red blood cells, immature red cells not normally seen in adult blood, as part of a blood count.
Iron % Saturation The percentage of transferrin (your iron-carrying protein) that's currently occupied by iron — a key marker for detecting iron deficiency or overload.
Blasts Counts the number of blasts, very immature blood cells, in your blood sample as part of a full differential blood count.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Mean Platelet Volume (MPV) Measures the average size of your platelets, the cells that help blood clot, and is read alongside your platelet count.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Band Neutrophils (%) Shows band neutrophils, young infection-fighting white blood cells, as a percentage of all your white blood cells, which can rise with infection or inflammation.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Blasts (%) Shows blasts, very immature blood cells, as a percentage of your white blood cells, reported as part of a full differential blood count.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Myelocytes (%) The percentage of your white blood cells that are myelocytes, early immature white blood cells normally confined to the bone marrow.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Promyelocytes (%) The percentage of your white blood cells that are promyelocytes, immature cells normally found only in bone marrow, reported as part of a differential.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Metamyelocytes (%) The percentage of your white blood cells that are metamyelocytes, an immature white blood cell normally confined to the bone marrow.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Total Iron Binding Capacity (TIBC) Total Iron-Binding Capacity — reflects how much transferrin (the iron-carrying protein) is available in your blood, used with iron and ferritin to evaluate iron status.
Iron, Total Measures the iron circulating in your blood, used along with other markers (like ferritin and TIBC) to evaluate for iron deficiency or overload.
Promyelocytes The absolute number of promyelocytes, immature white blood cells normally found only in bone marrow, in your blood, reported as part of a differential.
Reactive Lymphocytes Reports lymphocytes that look activated under the microscope, a common sign that your immune system is responding to an infection, especially a viral one.
Reticulocyte, Absolute The absolute number of reticulocytes, young red blood cells, in your blood, showing how actively your bone marrow is making new red cells.

Labcorp $43.99

Quest Not offered

This panel evaluates red blood cells, iron status, and other blood markers that are important for identifying and monitoring anemia.

Sample type: Serum Whole Blood
Avg. sample processing time: 6 Business days
Require fasting: No

Biomarkers

Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Total Iron Binding Capacity (TIBC) Total Iron-Binding Capacity — reflects how much transferrin (the iron-carrying protein) is available in your blood, used with iron and ferritin to evaluate iron status.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Unsaturated Iron Binding Capacity Unsaturated Iron-Binding Capacity — reflects how much additional iron your blood's transferrin could still carry, used with iron and TIBC to assess iron status.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Iron % Saturation The percentage of transferrin (your iron-carrying protein) that's currently occupied by iron — a key marker for detecting iron deficiency or overload.
Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Iron, Total Measures the iron circulating in your blood, used along with other markers (like ferritin and TIBC) to evaluate for iron deficiency or overload.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.

Labcorp Not offered

Quest $46.49

This panel checks key markers to determine if the patient has levels that point towards anemia.

Sample type: Serum Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: Yes

Biomarkers

Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Total Iron Binding Capacity (TIBC) Total Iron-Binding Capacity — reflects how much transferrin (the iron-carrying protein) is available in your blood, used with iron and ferritin to evaluate iron status.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Promyelocytes The absolute number of promyelocytes, immature white blood cells normally found only in bone marrow, in your blood, reported as part of a differential.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Blasts Counts the number of blasts, very immature blood cells, in your blood sample as part of a full differential blood count.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Nucleated RBC (%) The number of nucleated red blood cells, immature red cells not normally seen in adult blood, expressed relative to your white blood cells.
Iron % Saturation The percentage of transferrin (your iron-carrying protein) that's currently occupied by iron — a key marker for detecting iron deficiency or overload.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Metamyelocytes The absolute number of metamyelocytes, immature white blood cells normally found in bone marrow, in your blood as part of a differential count.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Myelocytes (%) The percentage of your white blood cells that are myelocytes, early immature white blood cells normally confined to the bone marrow.
Promyelocytes (%) The percentage of your white blood cells that are promyelocytes, immature cells normally found only in bone marrow, reported as part of a differential.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Iron, Total Measures the iron circulating in your blood, used along with other markers (like ferritin and TIBC) to evaluate for iron deficiency or overload.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Myelocytes The absolute number of myelocytes, early immature white blood cells normally found only in bone marrow, in your blood.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Band Neutrophils Counts the number of band neutrophils, young infection-fighting white blood cells, per volume of blood, which can rise with infection or inflammation.
Blasts (%) Shows blasts, very immature blood cells, as a percentage of your white blood cells, reported as part of a full differential blood count.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Ferritin Reflects your body's stored iron levels. Low levels point to iron deficiency; high levels can indicate iron overload or, since it's also an inflammation marker, other conditions.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Reactive Lymphocytes Reports lymphocytes that look activated under the microscope, a common sign that your immune system is responding to an infection, especially a viral one.
Band Neutrophils (%) Shows band neutrophils, young infection-fighting white blood cells, as a percentage of all your white blood cells, which can rise with infection or inflammation.
Mean Platelet Volume (MPV) Measures the average size of your platelets, the cells that help blood clot, and is read alongside your platelet count.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Reticulocyte, Absolute The absolute number of reticulocytes, young red blood cells, in your blood, showing how actively your bone marrow is making new red cells.
Nucleated RBC The absolute number of nucleated red blood cells, immature red cells not normally seen in adult blood, as part of a blood count.
Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Metamyelocytes (%) The percentage of your white blood cells that are metamyelocytes, an immature white blood cell normally confined to the bone marrow.

Labcorp $74.49

Quest Not offered

This panel evaluates red blood cells, iron status, and other blood markers that are important for identifying and monitoring anemia.

Sample type: Serum Whole Blood
Avg. sample processing time: 6 Business days
Require fasting: No

Biomarkers

Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Iron, Total Measures the iron circulating in your blood, used along with other markers (like ferritin and TIBC) to evaluate for iron deficiency or overload.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Total Iron Binding Capacity (TIBC) Total Iron-Binding Capacity — reflects how much transferrin (the iron-carrying protein) is available in your blood, used with iron and ferritin to evaluate iron status.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Unsaturated Iron Binding Capacity Unsaturated Iron-Binding Capacity — reflects how much additional iron your blood's transferrin could still carry, used with iron and TIBC to assess iron status.
Ferritin Reflects your body's stored iron levels. Low levels point to iron deficiency; high levels can indicate iron overload or, since it's also an inflammation marker, other conditions.
Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Iron % Saturation The percentage of transferrin (your iron-carrying protein) that's currently occupied by iron — a key marker for detecting iron deficiency or overload.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.

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Quest $4.99

CBC (Complete Blood Count) This is a fundamental blood test that evaluates various components of the blood, including red blood cells (RBCs), white blood cells (WBCs), hemoglobin, hematocrit, and platelets. This test provides crucial information about the general health of a person and is used to diagnose and monitor a wide range of conditions, including anemia, infections, inflammation, bleeding disorders, and bone marrow problems.

Sample type: Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: No

Biomarkers

Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Mean Platelet Volume (MPV) Measures the average size of your platelets, the cells that help blood clot, and is read alongside your platelet count.

Labcorp $91.99

Quest Not offered

The CD4:CD8 Ratio Profile measures the percentage and absolute counts of CD4+ and CD8+ cells, along with their ratio. This test is valuable for assessing and monitoring immune system function, as changes in these cell counts and ratios can indicate alterations in immune status.

Sample type: Whole Blood
Avg. sample processing time: 6 Business days
Require fasting: No

Biomarkers

Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Immature Granulocytes The number of young, not-yet-mature white blood cells in circulation — a rise can be an early sign of infection or bone marrow stress.
Absolute CD4+ Cells Counts CD4 'helper' T-cells, a key part of your immune system. Widely used to monitor immune health in HIV and other immune conditions.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
CD4 (%) The percentage of your lymphocytes that are CD4 helper T-cells, used alongside the absolute CD4 count to assess immune function.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Immature Granulocytes (%) The percentage of young, not-yet-mature white blood cells in circulation — a rise can be an early sign of infection or bone marrow stress.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Absolute CD8+ Cells Counts CD8 'cytotoxic' T-cells, immune cells that help destroy infected or abnormal cells. Used to assess immune status.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
CD4/CD8 Ratio Compares two types of immune T-cells. Used to assess immune system balance, especially in HIV monitoring and some autoimmune or infectious conditions.
CD8 (%) The percentage of your lymphocytes that are CD8 cytotoxic T-cells, used alongside the absolute count to assess immune function.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.

Labcorp $7.99

Quest Not offered

The complete blood count (CBC) provides a general hematologic assessment. It serves as a screening test for numerous disease states including anemia, inflammatory processes, and leukemia.

Sample type: Whole Blood
Avg. sample processing time: 2 Business days
Require fasting: No

Biomarkers

Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.

Labcorp Not offered

Quest $4.49

CBC (Complete Blood Count) with Differential and Platelets This test is a comprehensive screening tool used to evaluate overall health and detect a wide range of disorders, including anemia, leukemia, and inflammation. It measures several components of your blood, including red and white blood cells, platelets, hemoglobin, and hematocrit, providing valuable information about your body's condition.

Sample type: Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: No

Biomarkers

Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Blasts (%) Shows blasts, very immature blood cells, as a percentage of your white blood cells, reported as part of a full differential blood count.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Myelocytes The absolute number of myelocytes, early immature white blood cells normally found only in bone marrow, in your blood.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Mean Platelet Volume (MPV) Measures the average size of your platelets, the cells that help blood clot, and is read alongside your platelet count.
Promyelocytes The absolute number of promyelocytes, immature white blood cells normally found only in bone marrow, in your blood, reported as part of a differential.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Promyelocytes (%) The percentage of your white blood cells that are promyelocytes, immature cells normally found only in bone marrow, reported as part of a differential.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Metamyelocytes (%) The percentage of your white blood cells that are metamyelocytes, an immature white blood cell normally confined to the bone marrow.
Band Neutrophils Counts the number of band neutrophils, young infection-fighting white blood cells, per volume of blood, which can rise with infection or inflammation.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Band Neutrophils (%) Shows band neutrophils, young infection-fighting white blood cells, as a percentage of all your white blood cells, which can rise with infection or inflammation.
Reactive Lymphocytes Reports lymphocytes that look activated under the microscope, a common sign that your immune system is responding to an infection, especially a viral one.
Myelocytes (%) The percentage of your white blood cells that are myelocytes, early immature white blood cells normally confined to the bone marrow.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Nucleated RBC The absolute number of nucleated red blood cells, immature red cells not normally seen in adult blood, as part of a blood count.
Blasts Counts the number of blasts, very immature blood cells, in your blood sample as part of a full differential blood count.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Metamyelocytes The absolute number of metamyelocytes, immature white blood cells normally found in bone marrow, in your blood as part of a differential count.
Nucleated RBC (%) The number of nucleated red blood cells, immature red cells not normally seen in adult blood, expressed relative to your white blood cells.

Labcorp $6.49

Quest Not offered

The complete blood count (CBC) provides a general hematologic assessment. It serves as a screening test for numerous disease states including anemia, inflammatory processes, and leukemia. This test includes the white blood cell differential.

Sample type: Whole Blood
Avg. sample processing time: 2 Business days
Require fasting: No

Biomarkers

Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).

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Quest $178.49

The Comprehensive Female Panel measures the levels of several hormones and other markers to provide a comprehensive assessment of a patient's health.

Sample type: Serum Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: Yes

Biomarkers

T3, Free (fT3) The unbound, biologically active portion of triiodothyronine (T3), the more potent thyroid hormone. Used to evaluate thyroid function.
Glucose Your blood sugar level at the time of the test — a core marker for diagnosing and monitoring diabetes and metabolic health.
Luteinizing Hormone (LH) A pituitary hormone that triggers ovulation in women and stimulates testosterone production in men. Used to evaluate fertility, menstrual irregularities, and reproductive hormone disorders.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
HDL Cholesterol The 'good' cholesterol that helps remove excess cholesterol from your bloodstream. Higher levels are generally linked to lower cardiovascular risk.
Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
Globulin A group of blood proteins that includes antibodies and various transport proteins. Assessed together with albumin to evaluate liver, kidney, and immune function.
Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
Alanine Aminotransferase (ALT) A liver enzyme released into the blood when liver cells are damaged. One of the main markers used to screen for liver inflammation or injury.
Alkaline Phosphatase (ALP) An enzyme found mainly in the liver and bones. High levels can signal liver disease, bile duct blockage, or bone conditions.
Total Cholesterol The combined measure of all cholesterol in your blood — HDL, LDL, and other lipoproteins together. A foundational marker of cardiovascular risk.
Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Follicle-Stimulating Hormone (FSH) A pituitary hormone that drives egg development in women and sperm production in men. Key marker for fertility and menopause evaluation.
Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Albumin/Globulin Ratio Compares your two main blood protein types, albumin and globulin. An abnormal ratio can point toward liver disease, kidney problems, or immune system conditions.
Insulin-Like Growth Factor 1 (IGF-1), LC/MS Insulin-like growth factor 1, a hormone that reflects your average growth hormone activity over time. Used to evaluate growth hormone excess or deficiency.
Triglycerides A type of fat in your blood used for energy storage. Elevated levels are linked to increased cardiovascular risk and often reflect diet, weight, or metabolic health.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Total Cholesterol / HDL Ratio Compares your total cholesterol to your HDL ('good') cholesterol, offering a quick snapshot of cardiovascular risk balance.
Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Ferritin Reflects your body's stored iron levels. Low levels point to iron deficiency; high levels can indicate iron overload or, since it's also an inflammation marker, other conditions.
Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
Blood Urea Nitrogen Blood urea nitrogen, a waste product filtered by your kidneys. Used along with creatinine to assess kidney function and hydration status.
C-Reactive Protein, High Sensitivity (hs-CRP) A sensitive marker of low-grade inflammation in the body, commonly used to help assess cardiovascular disease risk.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Total Bilirubin The combined level of both processed and unprocessed bilirubin in your blood, a byproduct of red blood cell breakdown. Used to evaluate liver function and jaundice.
Estimated Glomerular Filtration Rate Estimated glomerular filtration rate — a calculated estimate of how well your kidneys are filtering waste from your blood, based on creatinine and other factors.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
LDL Cholesterol, Calculated The 'bad' cholesterol that can build up in artery walls. A core marker used to assess cardiovascular disease risk.
Carbon Dioxide Reflects the bicarbonate level in your blood, a key part of your body's acid-base balance. Abnormal levels can point to metabolic or respiratory issues.
Non-HDL Cholesterol Total cholesterol minus HDL — capturing all the potentially artery-clogging ('bad') cholesterol particles in one number.
Sex Hormone-Binding Globulin (SHBG) A protein that binds and transports testosterone and estrogen in your blood, determining how much hormone is 'free' and active. Important for interpreting sex hormone results.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.
Estradiol The main and most potent form of estrogen. Key for reproductive health in women and also present in men; used to evaluate menstrual, fertility, and hormone-related concerns.
Z-Score Shows how far your IGF-1 result is from the average for people of your age and sex, measured in standard deviations.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Aspartate Aminotransferase (AST) An enzyme found in the liver, heart, and muscles. Elevated levels can point to liver damage, though it's less liver-specific than ALT.
Mean Platelet Volume (MPV) Measures the average size of your platelets, the cells that help blood clot, and is read alongside your platelet count.
BUN/Creatinine Ratio Compares two kidney-related waste markers to help distinguish the cause of abnormal kidney values, such as dehydration versus a kidney-specific problem.
Dehydroepiandrosterone Sulfate (DHEA-S) The sulfated, more stable form of DHEA. A reliable marker of adrenal androgen production, used to evaluate adrenal function and androgen excess.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Bioavailable Testosterone The portion of your testosterone that's either free or loosely bound to albumin — the amount actually usable by your body's tissues.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
Thyroid-Stimulating Hormone (TSH) A pituitary hormone that signals your thyroid to produce hormone. The primary screening test for both underactive and overactive thyroid conditions.
Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.

Labcorp $298.49

Quest Not offered

This comprehensive panel evaluates key aspects of women's health, including hormone balance, thyroid function, cardiovascular health, inflammation, blood cell health, iron stores, metabolism, and liver and kidney function. It provides a broad overview of overall wellness and may help identify underlying imbalances that can affect energy, mood, metabolic health, reproductive health, and long-term health outcomes.

Sample type: Serum Whole Blood
Avg. sample processing time: 6 Business days
Require fasting: Yes

Biomarkers

Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
HDL Cholesterol The 'good' cholesterol that helps remove excess cholesterol from your bloodstream. Higher levels are generally linked to lower cardiovascular risk.
Aspartate Aminotransferase (AST) An enzyme found in the liver, heart, and muscles. Elevated levels can point to liver damage, though it's less liver-specific than ALT.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Alkaline Phosphatase (ALP) An enzyme found mainly in the liver and bones. High levels can signal liver disease, bile duct blockage, or bone conditions.
Follicle-Stimulating Hormone (FSH) A pituitary hormone that drives egg development in women and sperm production in men. Key marker for fertility and menopause evaluation.
Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Sex Hormone-Binding Globulin (SHBG) A protein that binds and transports testosterone and estrogen in your blood, determining how much hormone is 'free' and active. Important for interpreting sex hormone results.
Carbon Dioxide Reflects the bicarbonate level in your blood, a key part of your body's acid-base balance. Abnormal levels can point to metabolic or respiratory issues.
Dehydroepiandrosterone Sulfate (DHEA-S) The sulfated, more stable form of DHEA. A reliable marker of adrenal androgen production, used to evaluate adrenal function and androgen excess.
Estradiol The main and most potent form of estrogen. Key for reproductive health in women and also present in men; used to evaluate menstrual, fertility, and hormone-related concerns.
BUN/Creatinine Ratio Compares two kidney-related waste markers to help distinguish the cause of abnormal kidney values, such as dehydration versus a kidney-specific problem.
Total Bilirubin The combined level of both processed and unprocessed bilirubin in your blood, a byproduct of red blood cell breakdown. Used to evaluate liver function and jaundice.
Blood Urea Nitrogen Blood urea nitrogen, a waste product filtered by your kidneys. Used along with creatinine to assess kidney function and hydration status.
C-Reactive Protein, High Sensitivity (hs-CRP) A sensitive marker of low-grade inflammation in the body, commonly used to help assess cardiovascular disease risk.
Albumin/Globulin Ratio Compares your two main blood protein types, albumin and globulin. An abnormal ratio can point toward liver disease, kidney problems, or immune system conditions.
Cholesterol, Very Low Density Lipoprotein Estimates very low density lipoprotein (VLDL) cholesterol, a triglyceride-rich particle, usually calculated from triglycerides in a standard lipid panel.
LDL Cholesterol, Calculated The 'bad' cholesterol that can build up in artery walls. A core marker used to assess cardiovascular disease risk.
T3, Free (fT3) The unbound, biologically active portion of triiodothyronine (T3), the more potent thyroid hormone. Used to evaluate thyroid function.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.
Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.
Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
Glucose Your blood sugar level at the time of the test — a core marker for diagnosing and monitoring diabetes and metabolic health.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Insulin-Like Growth Factor 1 (IGF-1), LC/MS Insulin-like growth factor 1, a hormone that reflects your average growth hormone activity over time. Used to evaluate growth hormone excess or deficiency.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
Thyroid-Stimulating Hormone (TSH) A pituitary hormone that signals your thyroid to produce hormone. The primary screening test for both underactive and overactive thyroid conditions.
Luteinizing Hormone (LH) A pituitary hormone that triggers ovulation in women and stimulates testosterone production in men. Used to evaluate fertility, menstrual irregularities, and reproductive hormone disorders.
Ferritin Reflects your body's stored iron levels. Low levels point to iron deficiency; high levels can indicate iron overload or, since it's also an inflammation marker, other conditions.
Total Cholesterol The combined measure of all cholesterol in your blood — HDL, LDL, and other lipoproteins together. A foundational marker of cardiovascular risk.
Triglycerides A type of fat in your blood used for energy storage. Elevated levels are linked to increased cardiovascular risk and often reflect diet, weight, or metabolic health.
T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.
Estimated Glomerular Filtration Rate Estimated glomerular filtration rate — a calculated estimate of how well your kidneys are filtering waste from your blood, based on creatinine and other factors.
Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Globulin A group of blood proteins that includes antibodies and various transport proteins. Assessed together with albumin to evaluate liver, kidney, and immune function.
Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
Alanine Aminotransferase (ALT) A liver enzyme released into the blood when liver cells are damaged. One of the main markers used to screen for liver inflammation or injury.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.

Labcorp $19.99

Quest Not offered

Labcorp Not offered

Quest $2.49

The Hemogram test is a comprehensive screening tool used to evaluate overall health and detect a wide range of disorders, including anemia, leukemia, and inflammation. It's a crucial test for diagnosing various conditions and monitoring health status.

Sample type: Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: No

Biomarkers

White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).

Labcorp Not offered

Quest $3.99

This test is a comprehensive screening tool used to evaluate overall health and detect a wide range of disorders, including anemia, leukemia, and inflammation. It provides valuable information about the number and quality of white blood cells, red blood cells, and platelets.

Sample type: Whole Blood
Avg. sample processing time: 5 Business days
Require fasting: No

Biomarkers

Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Blasts Counts the number of blasts, very immature blood cells, in your blood sample as part of a full differential blood count.
Blasts (%) Shows blasts, very immature blood cells, as a percentage of your white blood cells, reported as part of a full differential blood count.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Reactive Lymphocytes Reports lymphocytes that look activated under the microscope, a common sign that your immune system is responding to an infection, especially a viral one.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Nucleated RBC (%) The number of nucleated red blood cells, immature red cells not normally seen in adult blood, expressed relative to your white blood cells.
Band Neutrophils Counts the number of band neutrophils, young infection-fighting white blood cells, per volume of blood, which can rise with infection or inflammation.
Myelocytes (%) The percentage of your white blood cells that are myelocytes, early immature white blood cells normally confined to the bone marrow.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Myelocytes The absolute number of myelocytes, early immature white blood cells normally found only in bone marrow, in your blood.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Promyelocytes The absolute number of promyelocytes, immature white blood cells normally found only in bone marrow, in your blood, reported as part of a differential.
Promyelocytes (%) The percentage of your white blood cells that are promyelocytes, immature cells normally found only in bone marrow, reported as part of a differential.
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Metamyelocytes (%) The percentage of your white blood cells that are metamyelocytes, an immature white blood cell normally confined to the bone marrow.
Metamyelocytes The absolute number of metamyelocytes, immature white blood cells normally found in bone marrow, in your blood as part of a differential count.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Band Neutrophils (%) Shows band neutrophils, young infection-fighting white blood cells, as a percentage of all your white blood cells, which can rise with infection or inflammation.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Nucleated RBC The absolute number of nucleated red blood cells, immature red cells not normally seen in adult blood, as part of a blood count.

Labcorp $95.49

Quest Not offered

The HNK1 (CD57) Profile is used to monitor the CD57 lymphocyte subset in patients with chronic Lyme disease.

Sample type: Whole Blood
Avg. sample processing time: 3 Business days
Require fasting: No

Biomarkers

Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
Mean Corpuscular Hemoglobin Concentration (MCHC) Mean Corpuscular Hemoglobin Concentration — the average concentration of hemoglobin within your red blood cells, used to help classify types of anemia.
Nucleated RBC (%), Automated An automated count of nucleated red blood cells, immature red cells not normally seen in adult blood, reported relative to white blood cells.
Monocytes (%) The percentage of your white blood cells that are monocytes, cells that help fight infection and clear damaged tissue.
Lymphocytes The number of lymphocytes, white blood cells central to your immune response (including T-cells, B-cells, and NK cells), in your blood.
Lymphocytes (%) The percentage of your white blood cells that are lymphocytes, key immune cells including T-cells, B-cells, and NK cells.
Mean Corpuscular Volume Mean Corpuscular Volume — the average size of your red blood cells, a key value used to help determine the cause of anemia.
Monocytes The number of monocytes, white blood cells that help fight infection and clear damaged cells, in your blood.
Basophils (%) The percentage of your white blood cells that are basophils, a cell type involved in allergic and inflammatory responses.
Red Cell Distribution Width (RDW) Red Cell Distribution Width — measures how much your red blood cells vary in size, helpful for narrowing down the cause of anemia.
CD8-/CD57+ NK Cell Count Counts a specific subset of natural killer cells sometimes used in specialized immune function testing, including chronic infection evaluations.
Hematocrit The percentage of your blood volume made up of red blood cells. Used to help diagnose anemia or polycythemia (excess red blood cells).
Basophils The number of basophils, a type of white blood cell involved in allergic and inflammatory responses, in your blood.
Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.
White Blood Cell Count (WBC) White blood cell count — the total number of white blood cells in your blood, key immune cells. Used to help detect infection, inflammation, and other blood disorders.
Immature Granulocytes (%) The percentage of young, not-yet-mature white blood cells in circulation — a rise can be an early sign of infection or bone marrow stress.
Immature Granulocytes The number of young, not-yet-mature white blood cells in circulation — a rise can be an early sign of infection or bone marrow stress.
Hemoglobin The oxygen-carrying protein in your red blood cells. A core marker for diagnosing anemia and other blood disorders.
% CD8-/CD57+ NK Cells The percentage of lymphocytes that are this natural killer cell subset, used in specialized immune function assessments.
Eosinophils The number of eosinophils, a white blood cell type involved in allergic reactions and parasite defense, in your blood.
Mean Corpuscular Hemoglobin (MCH) Mean Corpuscular Hemoglobin — the average amount of hemoglobin per red blood cell, used to help classify types of anemia.
Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
Red Blood Cell Count (RBC) Red blood cell count — the number of oxygen-carrying red blood cells in your blood, used to help diagnose anemia or polycythemia.
Eosinophils (%) The percentage of your white blood cells that are eosinophils, elevated with allergies, asthma, or parasitic infections.

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