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Labcorp
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Quest Diagnostics
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Showing 817–840 of 1013 results
Regional Allergy Panel 2
The Regional Allergy Panel 2 assesses IgE response to 21 airborne allergens, providing helpful information for effective allergy management.
- Bahia Grass (g17) IgE
- Beech (t5) IgE Measures IgE antibodies to American beech tree pollen, indicating a possible allergic sensitivity to this tree. Part of a regional tree allergen panel.
- Bermuda Grass (g2) IgE
- Cocklebur (w13) IgE
- Common Ragweed (Short) (w1) IgE Measures IgE antibodies to ragweed pollen, one of the most common causes of fall seasonal allergies.
- Cottonwood (t14) IgE Measures IgE antibodies to cottonwood tree pollen, a common spring allergy trigger.
- Elm (t8) IgE Measures IgE antibodies to American elm tree pollen, indicating a possible allergic sensitivity to this common spring-blooming tree.
- English Plantain (w9) IgE
- False Ragweed (w4) IgE
- Goldenrod (w12) IgE
- Hickory White (t41) IgE Measures IgE antibodies to white hickory tree pollen, indicating a possible allergic sensitivity to this tree.
- Johnson Grass (g10) IgE
- June Grass (Kentucky Blue) (g8) IgE Measures IgE antibodies to Kentucky bluegrass pollen, one of the most common grass allergy triggers in spring.
- Lamb's Quarters (Goose Foot) (w10) IgE Measures IgE antibodies to lamb's quarters weed pollen, a late-summer allergy trigger.
- Maple (Box Elder) (t1) IgE Measures IgE antibodies to box elder tree pollen, a common early-spring allergy trigger.
- Oak (t7) IgE Measures IgE antibodies to white oak tree pollen, a common spring allergy trigger.
- Rough Pigweed (w14) IgE Measures IgE antibodies to common pigweed pollen, a late-summer allergy trigger.
- Sycamore (t11) IgE
- Walnut Tree (t10) IgE
- White Ash (t15) IgE
- Willow (t12) IgE
The Regional Allergy Panel 2 assesses IgE response to 21 airborne allergens, providing helpful information for effective allergy management.
- Bahia Grass (g17) IgE
- Beech (t5) IgE Measures IgE antibodies to American beech tree pollen, indicating a possible allergic sensitivity to this tree. Part of a regional tree allergen panel.
- Bermuda Grass (g2) IgE
- Cocklebur (w13) IgE
- Common Ragweed (Short) (w1) IgE Measures IgE antibodies to ragweed pollen, one of the most common causes of fall seasonal allergies.
- Cottonwood (t14) IgE Measures IgE antibodies to cottonwood tree pollen, a common spring allergy trigger.
- Elm (t8) IgE Measures IgE antibodies to American elm tree pollen, indicating a possible allergic sensitivity to this common spring-blooming tree.
- English Plantain (w9) IgE
- False Ragweed (w4) IgE
- Goldenrod (w12) IgE
- Hickory White (t41) IgE Measures IgE antibodies to white hickory tree pollen, indicating a possible allergic sensitivity to this tree.
- Johnson Grass (g10) IgE
- June Grass (Kentucky Blue) (g8) IgE Measures IgE antibodies to Kentucky bluegrass pollen, one of the most common grass allergy triggers in spring.
- Lamb's Quarters (Goose Foot) (w10) IgE Measures IgE antibodies to lamb's quarters weed pollen, a late-summer allergy trigger.
- Maple (Box Elder) (t1) IgE Measures IgE antibodies to box elder tree pollen, a common early-spring allergy trigger.
- Oak (t7) IgE Measures IgE antibodies to white oak tree pollen, a common spring allergy trigger.
- Rough Pigweed (w14) IgE Measures IgE antibodies to common pigweed pollen, a late-summer allergy trigger.
- Sycamore (t11) IgE
- Walnut Tree (t10) IgE
- White Ash (t15) IgE
- Willow (t12) IgE
Regional Allergy Panel 2 + Food Allergy Basic Panel
This panel combines the Regional Allergy Panel 2 and the Food Allergy Basic Panel to measure IgE antibody levels in response to 6 common food allergens and 21 airborne allergens. It helps identify potential allergic reactions to foods and environmental triggers such as pollen, mold, pet dander, and dust mites.
- Bahia Grass (g17) IgE
- Beech (t5) IgE Measures IgE antibodies to American beech tree pollen, indicating a possible allergic sensitivity to this tree. Part of a regional tree allergen panel.
- Bermuda Grass (g2) IgE
- Cocklebur (w13) IgE
- Codfish (f3) IgE
- Common Ragweed (Short) (w1) IgE Measures IgE antibodies to ragweed pollen, one of the most common causes of fall seasonal allergies.
- Cottonwood (t14) IgE Measures IgE antibodies to cottonwood tree pollen, a common spring allergy trigger.
- Cow's Milk (f2) IgE Measures IgE antibodies specific to milk proteins, used to check for a milk allergy.
- Egg White (f1) IgE
- Elm (t8) IgE Measures IgE antibodies to American elm tree pollen, indicating a possible allergic sensitivity to this common spring-blooming tree.
- English Plantain (w9) IgE
- False Ragweed (w4) IgE
- Goldenrod (w12) IgE
- Hickory White (t41) IgE Measures IgE antibodies to white hickory tree pollen, indicating a possible allergic sensitivity to this tree.
- Johnson Grass (g10) IgE
- June Grass (Kentucky Blue) (g8) IgE Measures IgE antibodies to Kentucky bluegrass pollen, one of the most common grass allergy triggers in spring.
- Lamb's Quarters (Goose Foot) (w10) IgE Measures IgE antibodies to lamb's quarters weed pollen, a late-summer allergy trigger.
- Maple (Box Elder) (t1) IgE Measures IgE antibodies to box elder tree pollen, a common early-spring allergy trigger.
- Oak (t7) IgE Measures IgE antibodies to white oak tree pollen, a common spring allergy trigger.
- Peanut (f13) IgE
- Rough Pigweed (w14) IgE Measures IgE antibodies to common pigweed pollen, a late-summer allergy trigger.
- Soybean (f14) IgE
- Sycamore (t11) IgE
- Walnut Tree (t10) IgE
- Wheat (f4) IgE
- White Ash (t15) IgE
- Willow (t12) IgE
This panel combines the Regional Allergy Panel 2 and the Food Allergy Basic Panel to measure IgE antibody levels in response to 6 common food allergens and 21 airborne allergens. It helps identify potential allergic reactions to foods and environmental triggers such as pollen, mold, pet dander, and dust mites.
- Bahia Grass (g17) IgE
- Beech (t5) IgE Measures IgE antibodies to American beech tree pollen, indicating a possible allergic sensitivity to this tree. Part of a regional tree allergen panel.
- Bermuda Grass (g2) IgE
- Cocklebur (w13) IgE
- Codfish (f3) IgE
- Common Ragweed (Short) (w1) IgE Measures IgE antibodies to ragweed pollen, one of the most common causes of fall seasonal allergies.
- Cottonwood (t14) IgE Measures IgE antibodies to cottonwood tree pollen, a common spring allergy trigger.
- Cow's Milk (f2) IgE Measures IgE antibodies specific to milk proteins, used to check for a milk allergy.
- Egg White (f1) IgE
- Elm (t8) IgE Measures IgE antibodies to American elm tree pollen, indicating a possible allergic sensitivity to this common spring-blooming tree.
- English Plantain (w9) IgE
- False Ragweed (w4) IgE
- Goldenrod (w12) IgE
- Hickory White (t41) IgE Measures IgE antibodies to white hickory tree pollen, indicating a possible allergic sensitivity to this tree.
- Johnson Grass (g10) IgE
- June Grass (Kentucky Blue) (g8) IgE Measures IgE antibodies to Kentucky bluegrass pollen, one of the most common grass allergy triggers in spring.
- Lamb's Quarters (Goose Foot) (w10) IgE Measures IgE antibodies to lamb's quarters weed pollen, a late-summer allergy trigger.
- Maple (Box Elder) (t1) IgE Measures IgE antibodies to box elder tree pollen, a common early-spring allergy trigger.
- Oak (t7) IgE Measures IgE antibodies to white oak tree pollen, a common spring allergy trigger.
- Peanut (f13) IgE
- Rough Pigweed (w14) IgE Measures IgE antibodies to common pigweed pollen, a late-summer allergy trigger.
- Soybean (f14) IgE
- Sycamore (t11) IgE
- Walnut Tree (t10) IgE
- Wheat (f4) IgE
- White Ash (t15) IgE
- Willow (t12) IgE
Renal Function Panel
The Renal Function Panel analyzes a variety of important kidney health markers to investigate overall renal function.
- 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.
- 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.
- Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
- 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.
- Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
- Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.
- Glucose Your blood sugar level at the time of the test — a core marker for diagnosing and monitoring diabetes and metabolic health.
- Phosphorus Measures phosphorus, a mineral important for bone health, energy production, and cell function, closely regulated alongside calcium.
- Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
- Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
- Blood Urea Nitrogen Blood urea nitrogen, a waste product filtered by your kidneys. Used along with creatinine to assess kidney function and hydration status.
- 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.
The Renal Function Panel analyzes a variety of important kidney health markers to investigate overall renal function.
- 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.
- 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.
- Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
- 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.
- Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
- Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.
- Glucose Your blood sugar level at the time of the test — a core marker for diagnosing and monitoring diabetes and metabolic health.
- Phosphorus Measures phosphorus, a mineral important for bone health, energy production, and cell function, closely regulated alongside calcium.
- Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
- Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
- Blood Urea Nitrogen Blood urea nitrogen, a waste product filtered by your kidneys. Used along with creatinine to assess kidney function and hydration status.
- 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.
Reticulocyte Count
Quest
Not offered
This test measures the number of immature red blood cells (reticulocytes) in the blood. It is used to monitor erythropoietic bone marrow activity in hematologic conditions such as acute and chronic hemorrhage and hemolytic anemias.
- Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Reticulocyte Count, Automated
Labcorp
Not offered
Use in evaluating erythropoietic activity.
- Reticulocyte, Absolute
- Reticulocyte Count, Automated The percentage of young red blood cells in your blood, reflecting how actively your bone marrow is producing new cells.
Reverse T3
Reverse T3 (rT3) is an inactive form of the thyroid hormone T3 that is produced under stress or illness when the body converts T4 into rT3 instead of active T3. It is used to assess thyroid hormone conversion efficiency and may help identify non-thyroidal illness or functional hypothyroidism.
- Reverse T3 An inactive form of T3 thyroid hormone. Sometimes checked alongside standard thyroid tests when thyroid hormone conversion issues are suspected.
Reverse T3 (rT3) is an inactive form of the thyroid hormone T3 that is produced under stress or illness when the body converts T4 into rT3 instead of active T3. It is used to assess thyroid hormone conversion efficiency and may help identify non-thyroidal illness or functional hypothyroidism.
- Reverse T3 An inactive form of T3 thyroid hormone. Sometimes checked alongside standard thyroid tests when thyroid hormone conversion issues are suspected.
Rheumatoid Arthritis Diagnostic Panel 1
Labcorp
Not offered
The combination of RF and anti-CCP antibodies provide greater specificity for the diagnosis of Rheumatoid Arthritis (RA). CCP antibodies may be present earlier than RF and often indicate increased erosive disease in RA.
- Cyclic Citrullinated Peptide (CCP) Antibody (IgG) An antibody linked to rheumatoid arthritis (IgG type) — a positive result supports the diagnosis and can appear even before joint symptoms develop.
- Rheumatoid Factor
Rheumatoid Arthritis Profile
Quest
Not offered
The Rheumatoid Arthritis Profile is a group of tests used to help diagnose autoimmune joint disease. It includes Rheumatoid Factor (RF) and Cyclic Citrullinated Peptide (CCP) Antibodies, which are highly specific for rheumatoid arthritis and help assess the likelihood and severity of the disease.
Rheumatoid Factor
Rheumatoid Factor (RF) is an autoantibody that targets the body’s own tissues, commonly associated with rheumatoid arthritis. Elevated levels can support the diagnosis of autoimmune conditions, though RF may also be present in other inflammatory diseases or in healthy individuals.
Rheumatoid Factor (RF) is an autoantibody that targets the body’s own tissues, commonly associated with rheumatoid arthritis. Elevated levels can support the diagnosis of autoimmune conditions, though RF may also be present in other inflammatory diseases or in healthy individuals.
Rheumatoid Factor (IgA)
Labcorp
Not offered
In conjunction with clinical findings and other laboratory tests, the presence of rheumatoid factor (RF) can be used to aid in the diagnosis of rheumatoid arthritis.
Rheumatoid Factor (IgG)
Labcorp
Not offered
In conjunction with clinical findings and other laboratory tests, the presence of rheumatoid factor (RF) can be used to aid in the diagnosis of rheumatoid arthritis.
Rheumatoid Factor (IgM)
Labcorp
Not offered
In conjunction with clinical findings and other laboratory tests, the presence of rheumatoid factor (RF) can be used to aid in the diagnosis of rheumatoid arthritis.
- Rheumatoid Factor IgM An antibody associated with rheumatoid arthritis and some other autoimmune or chronic inflammatory conditions, though it can also be positive without disease.
Rhizopus nigricans (m11) IgE
Labcorp
Not offered
This test measures the body's immune response to Rhizopus nigricans, a type of fungus, by checking the level of specific IgE antibodies in the serum. It's useful for identifying allergic reactions to this fungus.
Rh Type
Labcorp
Not offered
This test is crucial for identifying antibodies to antigens in the ABO and Rh systems, which are the primary causes of hemolytic disease of the newborn. Understanding the Rh type is essential for preventing potential complications in newborns.
- Rh Type Identifies whether your blood is Rh-positive or Rh-negative, an important factor for blood transfusions and pregnancy management.
Ribosomal P Antibody
Ribosomal P Antibodies are autoantibodies associated with systemic lupus erythematosus (SLE), particularly cases involving neuropsychiatric symptoms such as depression or cognitive dysfunction. Their presence may support the diagnosis of SLE in patients with central nervous system involvement.
- Ribosomal P Antibody An autoantibody associated with lupus, particularly linked to neuropsychiatric symptoms in some patients.
Ribosomal P Antibodies are autoantibodies associated with systemic lupus erythematosus (SLE), particularly cases involving neuropsychiatric symptoms such as depression or cognitive dysfunction. Their presence may support the diagnosis of SLE in patients with central nervous system involvement.
- Ribosomal P Antibody An autoantibody associated with lupus, particularly linked to neuropsychiatric symptoms in some patients.
Rice (f9) IgE
Labcorp
Not offered
This test measures the body's allergic response to rice by checking for specific IgE antibodies in the serum. It's crucial for diagnosing rice allergies and guiding dietary recommendations.
RNP Antibody
This test detects RNP antibodies. RNP antibodies are associated with mixed connective tissue disease.
- RNP Antibody An autoantibody associated with mixed connective tissue disease and, at times, lupus.
This test detects RNP antibodies. RNP antibodies are associated with mixed connective tissue disease.
- RNP Antibody An autoantibody associated with mixed connective tissue disease and, at times, lupus.
Rough Marsh Elder (w16) IgE
Labcorp
Not offered
This test measures a person's IgE response to Rough Marsh Elder, helping in the diagnosis of allergic diseases. It's a lab test that looks at specific antibodies in your blood to see if you're allergic to Rough Marsh Elder. It's often used alongside other clinical information for a more accurate diagnosis.
Rough Pigweed (w14) IgE
Labcorp
Not offered
This test measures the body's allergic response to Rough Pigweed by detecting specific IgE antibodies in the serum. It's crucial for diagnosing allergies related to Rough Pigweed, helping to tailor avoidance strategies or treatments.
- Rough Pigweed (w14) IgE Measures IgE antibodies to common pigweed pollen, a late-summer allergy trigger.
Rubella Antibody (IgG), Qualitative
Quest
Not offered
This test detects Rubella IgG antibodies. The presence of Rubella IgG antibodies indicates a current or past infection or vaccination.
- Rubella Antibody (IgG), Immune Status Indicates immunity to rubella (German measles), whether from past infection or vaccination — commonly checked during pregnancy planning.
Rubella Antibody (IgG), Quantitative
Quest
Not offered
This test measures Rubella IgG antibodies. The presence of Rubella IgG antibodies indicates a current or past infection or vaccination.
- Rubella Antibody (IgG), Immune Status Indicates immunity to rubella (German measles), whether from past infection or vaccination — commonly checked during pregnancy planning.
Rubella IgM
This test detects IgM antibodies to Rubella. Rubella IgM antibodies have the potential to cause fetal infection with resultant birth defects. A positive result is not conclusive for a recent or current infection.
- Rubella IgM Indicates a recent or current rubella infection.
This test detects IgM antibodies to Rubella. Rubella IgM antibodies have the potential to cause fetal infection with resultant birth defects. A positive result is not conclusive for a recent or current infection.
Rubella Immune Status
This test detects Rubella IgG antibodies. The presence of Rubella IgG antibodies indicates a current or past infection or vaccination.
- Rubella Antibody (IgG), Immune Status Indicates immunity to rubella (German measles), whether from past infection or vaccination — commonly checked during pregnancy planning.
This test detects Rubella IgG antibodies. The presence of Rubella IgG antibodies indicates a current or past infection or vaccination.
- Rubella Antibody (IgG), Immune Status Indicates immunity to rubella (German measles), whether from past infection or vaccination — commonly checked during pregnancy planning.
Russian Thistle (w11) IgE
Labcorp
Not offered
This test measures the body's immune response to Russian thistle, a common allergen, by assessing the level of specific IgE antibodies in the serum. It helps in identifying allergic reactions to this plant, which is often found in dry, rural areas and can cause symptoms in sensitive individuals.