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Labcorp
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Quest Diagnostics
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Showing 73–96 of 1013 results
Antibody Screen
Quest
Not offered
The Indirect Coombs Antibody Screen detects antibodies that are present in the bloodstream and could bind to certain red blood cells, leading to problems if blood mixing occurs.
- Blood Group Antibody Screen Checks your blood plasma for antibodies against red blood cell antigens — commonly used before transfusions and during pregnancy to screen for Rh incompatibility.
Anticardiolipin Antibodies
Quest
Not offered
This test measures anticardiolipin IgG, IgA, and IgM antibodies to evaluate suspected cases of antiphospholipid syndrome (APS).
- Cardiolipin Antibody (IgA) An antibody that attacks the body's own phospholipids (IgA type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
- Cardiolipin Antibody (IgG) An antibody that attacks the body's own phospholipids (IgG type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
- Cardiolipin Antibody (IgM) An antibody that attacks the body's own phospholipids (IgM type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
Antidiuretic Hormone
Quest
Not offered
This test measures antidiuretic hormone. It is useful for the differential diagnosis of patients with water balance disorders, including diabetes insipidus in conjunction with osmolality and hydration status.
- Antidiuretic Hormone Also called vasopressin, this hormone helps your kidneys regulate how much water your body retains. Abnormal levels are linked to conditions affecting fluid balance, like diabetes insipidus or SIADH.
Antidiuretic Hormone Profile
Quest
Not offered
This test measures antidiuretic hormone and osmolality to aid in the diagnosis of urine concentration disorders, especially diabetes insipidus, syndrome of inappropriate ADH (SIADH), psychogenic water intoxication, and syndromes of ectopic ADH production.
- Antidiuretic Hormone Also called vasopressin, this hormone helps your kidneys regulate how much water your body retains. Abnormal levels are linked to conditions affecting fluid balance, like diabetes insipidus or SIADH.
- Osmolality Measures the concentration of dissolved particles in your blood, reflecting hydration and fluid balance.
Anti-DNase B (Streptococcal) Antibodies
This panel detects anti-DNase B antibodies to help identify an existing or past streptococcal infection.
- DNase-B Antibody An antibody that shows evidence of a recent strep infection. Used to help diagnose post-strep conditions like rheumatic fever or kidney inflammation (glomerulonephritis).
This panel detects anti-DNase B antibodies to help identify an existing or past streptococcal infection.
- DNase-B Antibody An antibody that shows evidence of a recent strep infection. Used to help diagnose post-strep conditions like rheumatic fever or kidney inflammation (glomerulonephritis).
Anti-Mullerian Hormone (AMH)
Quest
Not offered
In females, Anti-Mullerian Hormone (AMH) is a hormone produced by the granulosa cells of ovarian follicles. It serves as a marker of ovarian reserve, reflecting the remaining quantity of eggs in the ovaries. In males, AMH is produced by the Sertoli cells of the testes and plays an important role during fetal development by causing regression of the Müllerian ducts, which would otherwise develop into female reproductive structures.
- Anti-Mullerian Hormone (AMH) A hormone produced by developing egg follicles that reflects ovarian reserve — an estimate of how many eggs remain. Commonly used in fertility evaluations.
Anti-Mullerian Hormone (AMH), Female
Labcorp
Not offered
AMH-MIS may be used in the investigation of ovarian reserve since AMH concentrations in adult women reflect the number of small antral and preantral follicles entering the growth phase of their life cycle. These follicles are proportional to the number of primordial follicles that still remain in the ovary, or the ovarian reserve. AMH decreases throughout a woman's reproductive life, which reflects the continuous decline of the oocyte/follicle pool with age and, accordingly, ovarian aging.
- Anti-Mullerian Hormone (AMH) A hormone produced by developing egg follicles that reflects ovarian reserve — an estimate of how many eggs remain. Commonly used in fertility evaluations.
Anti-Mullerian Hormone (AMH), Male
Labcorp
Not offered
AMH/MIS may be used in the detection of the onset of puberty in males, in the differential diagnosis of intersex disorders, cryptorchidism, or anorchidism and in the evaluation of male gonadal function in all ages.
- Anti-Mullerian Hormone (AMH) A hormone produced by developing egg follicles that reflects ovarian reserve — an estimate of how many eggs remain. Commonly used in fertility evaluations.
Antiphospholipid Antibody Panel
Labcorp
Not offered
The antiphospholipid antibody syndrome (APS) is a clinical-pathologic correlation that includes a clinical event (e.g. arterial or venous thrombosis, pregnancy morbidity) and persistent positive antiphospholipid antibodies (IgM, IgG Cardiolipin or b2GPI antibodies greater than the 99th percentile; or a lupus anticoagulant). International consensus guidelines for APS suggest waiting at least 12 weeks before retesting to confirm antibody persistence. The Systemic Lupus International Collaborating Clinics immunological classification criteria for systemic lupus erythematosus (SLE) include testing for isotype IgA, which has yet to be incorporated into APS criteria. Low level antiphospholipid antibodies may sometimes be detected in the setting of infection, drug therapy or aging.
- Beta-2-Glycoprotein I Antibody (IgA)
- Beta-2-Glycoprotein I Antibody (IgG)
- Beta-2-Glycoprotein I Antibody (IgM)
- Cardiolipin Antibody (IgA) An antibody that attacks the body's own phospholipids (IgA type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
- Cardiolipin Antibody (IgG) An antibody that attacks the body's own phospholipids (IgG type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
- Cardiolipin Antibody (IgM) An antibody that attacks the body's own phospholipids (IgM type). One of the markers used to help diagnose antiphospholipid syndrome, which raises the risk of blood clots and pregnancy complications.
- Phosphatidylserine/ Prothrombin Antibody (IgG)
- Phosphatidylserine/ Prothrombin Antibody (IgM)
Antistreptolysin O (ASO) Antibodies
Anti-Streptolysin O (ASO) Antibody is an antibody produced by the immune system in response to infection with Group A Streptococcus bacteria. Streptolysin O is a toxin released by these bacteria.
- Antistreptolysin O Antibodies (ASO) An antibody that indicates a recent or past strep throat infection. Used to help diagnose complications like rheumatic fever.
Anti-Streptolysin O (ASO) Antibody is an antibody produced by the immune system in response to infection with Group A Streptococcus bacteria. Streptolysin O is a toxin released by these bacteria.
- Antistreptolysin O Antibodies (ASO) An antibody that indicates a recent or past strep throat infection. Used to help diagnose complications like rheumatic fever.
Antithrombin (AT) Activity
This test evaluates the activity of antithrombin in the blood. It is used to help diagnose antithrombin deficiencies and to monitor the effectiveness of anticoagulant therapy in patients with clotting disorders.
- Antithrombin III Activity Measures the activity of a protein that naturally helps prevent excessive blood clotting. Low levels are linked to an increased risk of blood clots.
This test evaluates the activity of antithrombin in the blood. It is used to help diagnose antithrombin deficiencies and to monitor the effectiveness of anticoagulant therapy in patients with clotting disorders.
- Antithrombin III Activity Measures the activity of a protein that naturally helps prevent excessive blood clotting. Low levels are linked to an increased risk of blood clots.
Antithrombin III Antigen
Labcorp
Not offered
Aids in characterization of Antithrombin deficiency (AT, previously referred to as Antithrombin III) which is associated with increased thrombotic risk. Type I deficiency is characterized by reduction in activity and antigen levels simultaneously. With type II deficiency, activity levels are lower in comparison to the antigen levels (dysfunctional protein). Acquired deficiency, more common than inherited defects, can occur due to: liver disease, nephrotic syndrome, heparin therapy, disseminated intravascular coagulation (DIC), sepsis, and L-asparaginase chemotherapy.
ApoE Genotype
ApoE Genotype refers to the genetic variations in the Apolipoprotein E (ApoE) gene, which influence lipid metabolism and risk for certain diseases.
- ApoE Genotype A genetic test that identifies your APOE gene variants, which influence how your body processes cholesterol and are linked to cardiovascular and Alzheimer's disease risk.
ApoE Genotype refers to the genetic variations in the Apolipoprotein E (ApoE) gene, which influence lipid metabolism and risk for certain diseases.
- ApoE Genotype A genetic test that identifies your APOE gene variants, which influence how your body processes cholesterol and are linked to cardiovascular and Alzheimer's disease risk.
Apolipoprotein A-1
Apolipoprotein A-1 (Apo-A1) is the main protein component of high-density lipoprotein (HDL), often called “good cholesterol.”
- Apolipoprotein A-1 The main protein component of HDL ('good') cholesterol. Higher levels are generally associated with better cardiovascular protection.
Apolipoprotein A-1 (Apo-A1) is the main protein component of high-density lipoprotein (HDL), often called “good cholesterol.”
- Apolipoprotein A-1 The main protein component of HDL ('good') cholesterol. Higher levels are generally associated with better cardiovascular protection.
Apolipoprotein B
Apolipoprotein B (Apo-B) is a primary protein component of low-density lipoprotein (LDL) and other atherogenic lipoproteins, often referred to as “bad cholesterol.”
- Apolipoprotein B The main protein found on LDL and other 'bad' cholesterol particles. Considered a strong indicator of cardiovascular risk, since each particle carries one ApoB molecule.
Apolipoprotein B (Apo-B) is a primary protein component of low-density lipoprotein (LDL) and other atherogenic lipoproteins, often referred to as “bad cholesterol.”
- Apolipoprotein B The main protein found on LDL and other 'bad' cholesterol particles. Considered a strong indicator of cardiovascular risk, since each particle carries one ApoB molecule.
Apolipoprotein Evaluation with ApoB/ApoA-1 Ratio
Labcorp
Not offered
Apolipoprotein A1 is the primary protein associated with HDL cholesterol. Like HDL cholesterol, increased concentrations are associated with reduced risk of cardiovascular disease. Apolipoprotein B-100 is the primary protein associated with LDL cholesterol and other lipid particles. Like LDL cholesterol, increased concentrations are associated with increased risk of cardiovascular disease. The ratio of these two apolipoproteins correlates with risk of cardiovascular disease.
- Apolipoprotein A-1 The main protein component of HDL ('good') cholesterol. Higher levels are generally associated with better cardiovascular protection.
- Apolipoprotein B The main protein found on LDL and other 'bad' cholesterol particles. Considered a strong indicator of cardiovascular risk, since each particle carries one ApoB molecule.
- Apolipoprotein B/Apolipoprotein A-1
Apolipoprotein Evaluation with Lipoprotein(a)
Quest
Not offered
Apolipoprotein Evaluation measures key proteins involved in lipid metabolism, including Apolipoprotein A-1 (Apo-A1), Apolipoprotein B (Apo-B), and Lipoprotein(a) [Lp(a)]. This panel provides a detailed assessment of cardiovascular risk beyond traditional cholesterol tests.
- Apolipoprotein A-1 The main protein component of HDL ('good') cholesterol. Higher levels are generally associated with better cardiovascular protection.
- Apolipoprotein B The main protein found on LDL and other 'bad' cholesterol particles. Considered a strong indicator of cardiovascular risk, since each particle carries one ApoB molecule.
- Lipoprotein(a) A genetically-determined, LDL-like particle. Elevated levels are an independent, largely inherited risk factor for cardiovascular disease.
Apple (f49) IgE
Labcorp
Not offered
This test measures the body's immune response to apple allergens by assessing the level of specific IgE antibodies in the serum. It's crucial for diagnosing apple allergies and guiding dietary recommendations.
Apricot (f237) IgE
Labcorp
Not offered
This test is designed to identify allergic reactions to apricots by assessing the level of specific IgE antibodies in serum, helping to identify allergic reactions to those specific proteins. It's particularly useful for individuals who may be experiencing food reactivities, helping to confirm the cause of symptoms.
Arizona Cypress (Cupressus arizonica) (t222) IgE
Labcorp
Not offered
Arizona Cypress (Cupressus arizonica) IgE This test measures the body's allergic response to Arizona cypress by quantifying IgE antibodies specific to this allergen. It's a precise lab test used alongside other clinical data to help diagnose allergies.
Arsenic, Blood
Labcorp
Not offered
This test is used for checking arsenic levels in the body. It helps in assessing the impact of exposure and the progress of treatment.
- Arsenic Measures the level of arsenic, a toxic heavy metal, in your blood or urine. Used to assess exposure from contaminated water, food, or environmental sources.
Arsenic, Lead, Mercury, Random Urine
This panel evaluates and monitors exposure to heavy metals and detoxification status.
This panel evaluates and monitors exposure to heavy metals and detoxification status.
Ascaris (p1) IgE
Labcorp
Not offered
This test checks for an allergic reaction to Ascaris, a type of parasitic roundworm. It measures the level of IgE antibodies in the blood, which are produced by the immune system in response to an Ascaris infection. Identifying these antibodies can help diagnose an allergy to this parasite.