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Labcorp
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Quest Diagnostics
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Showing 841–864 of 1013 results
Rye (f5) IgE
Labcorp
Not offered
This test measures the body's immune response to rye by detecting IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing allergic reactions to rye, helping to identify or confirm rye as a potential allergen.
Saccharomyces cerevisiae Antibodies (ASCA) (IgG, IgA)
Labcorp
Not offered
Antibodies to Saccharomyces cerevisiae are found in approximately 75% of patients with Crohn's disease, 15% of patients with ulcerative colitis, and 5% of the healthy population. High titers of antibody increase the likelihood of disease, specifically Crohn's disease, and are associated with more aggressive disease.
- Saccharomyces cerevisiae Antibody (ASCA) (IgA) An antibody sometimes elevated in Crohn's disease, used as part of inflammatory bowel disease evaluation.
- Saccharomyces cerevisiae Antibody (ASCA) (IgG) An antibody sometimes elevated in Crohn's disease, used as part of inflammatory bowel disease evaluation.
Salmon (f41) IgE
Labcorp
Not offered
This test measures the body's allergic response to salmon by checking for specific IgE antibodies in the serum. It's crucial for diagnosing salmon allergies and guiding dietary recommendations.
Sardine/Pilchard (f61) IgE
Labcorp
Not offered
This test measures the body's allergic reaction to sardines/pilchards by checking for specific IgE antibodies. It's a lab test used alongside other clinical information to help diagnose food allergies.
SARS-CoV-2 Semi-Quantitative IgG Antibody, Spike
Quest
Not offered
This test looks for antibodies that indicate a recent or prior infection with COVID-19. This test should only be done for patients that are 15 days or more post-symptom onset.
- SARS-CoV-2 Antibody (IgG) An antibody indicating past infection with or vaccination against SARS-CoV-2 (COVID-19).
SARS-CoV-2 Semi-Quantitative Total Antibody, Spike
Quest
Not offered
This test looks for antibodies that indicate a recent or prior infection with COVID-19.
- SARS-CoV-2 Antibodies Indicates past exposure to or vaccination against SARS-CoV-2, the virus that causes COVID-19.
- SARS-CoV-2 Spike Antibody, Interpretation
SARS-CoV-2 Total Antibody, Spike, Semi-Quantitative
Labcorp
Not offered
This test is intended as an aid in identifying individuals with an adaptive immune response to SARS-CoV-2 (COVID-19), indicating recent or prior infection.
- SARS-CoV-2 Antibodies Indicates past exposure to or vaccination against SARS-CoV-2, the virus that causes COVID-19.
Scale (w15) IgE
Labcorp
Not offered
This test measures the IgE antibody levels in your blood to identify allergic reactions to specific substances. It's particularly useful for diagnosing allergies to scales or similar allergens. By analyzing a small serum sample, this test can help determine the cause of allergic symptoms.
Scallop (f338) IgE
Labcorp
Not offered
This test measures the body's immune response to scallops, helping to identify potential scallop allergies. By analyzing a small serum sample, it can provide valuable information for those experiencing allergic reactions to seafood, particularly scallops.
Scleroderma (Scl-70) Antibody
Scl-70 Antibodies are autoantibodies directed against topoisomerase I. They are primarily associated with systemic sclerosis (scleroderma), particularly the diffuse cutaneous form, and can help support diagnosis and assess disease severity.
- Scleroderma (Scl-70) Antibody An autoantibody strongly associated with diffuse systemic sclerosis (scleroderma), a more widespread form of the disease.
Scl-70 Antibodies are autoantibodies directed against topoisomerase I. They are primarily associated with systemic sclerosis (scleroderma), particularly the diffuse cutaneous form, and can help support diagnosis and assess disease severity.
- Scleroderma (Scl-70) Antibody An autoantibody strongly associated with diffuse systemic sclerosis (scleroderma), a more widespread form of the disease.
Sedimentation Rate (ESR)
Sedimentation Rate (ESR) is a non-specific test that measures how quickly red blood cells settle at the bottom of a test tube over one hour. Elevated levels can indicate the presence of inflammation, infection, or autoimmune conditions such as rheumatoid arthritis or lupus.
- Erythrocyte Sedimentation Rate (ESR), Modified Westergren A general, non-specific marker of inflammation, based on how quickly red blood cells settle in a test tube. Elevated with many inflammatory, infectious, or autoimmune conditions.
Sedimentation Rate (ESR) is a non-specific test that measures how quickly red blood cells settle at the bottom of a test tube over one hour. Elevated levels can indicate the presence of inflammation, infection, or autoimmune conditions such as rheumatoid arthritis or lupus.
- Erythrocyte Sedimentation Rate (ESR), Modified Westergren A general, non-specific marker of inflammation, based on how quickly red blood cells settle in a test tube. Elevated with many inflammatory, infectious, or autoimmune conditions.
Selenium (Serum)
Labcorp
Not offered
Selenium is an element of parenteral nutrition. Monitoring the Selenium concentration is useful in assessing parenteral nutrition, especially recent intake. Concentrations are also monitored in children with propionic acidemia who require special diets with supplements.
- Selenium Measures selenium, a trace mineral important for thyroid function and antioxidant defense.
Selenium (Whole Blood)
This test measures the level of selenium in whole blood. Selenium is a vital antioxidant mineral involved in thyroid function, immune response, and protection against oxidative stress.
- Selenium Measures selenium, a trace mineral important for thyroid function and antioxidant defense.
This test measures the level of selenium in whole blood. Selenium is a vital antioxidant mineral involved in thyroid function, immune response, and protection against oxidative stress.
- Selenium Measures selenium, a trace mineral important for thyroid function and antioxidant defense.
Serotonin
Serotonin is a neurotransmitter involved in mood regulation, digestion, and sleep. It is primarily measured to evaluate for serotonin-producing tumors such as carcinoid tumors, or to investigate symptoms related to serotonin imbalance.
- Serotonin Measures serotonin, a neurotransmitter and hormone; blood levels are used mainly to help evaluate carcinoid tumors rather than mood.
Serotonin is a neurotransmitter involved in mood regulation, digestion, and sleep. It is primarily measured to evaluate for serotonin-producing tumors such as carcinoid tumors, or to investigate symptoms related to serotonin imbalance.
- Serotonin Measures serotonin, a neurotransmitter and hormone; blood levels are used mainly to help evaluate carcinoid tumors rather than mood.
Sesame Seed (f10) IgE
Labcorp
Not offered
This test measures the body's immune response to sesame seeds by checking for specific IgE antibodies in the serum. It's crucial for diagnosing sesame seed allergies, which can range from mild to severe reactions.
Sex Hormone-Binding Globulin (SHBG)
SHBG (Sex Hormone Binding Globulin) is a protein that binds to sex hormones like testosterone and estrogen, regulating their availability in the bloodstream. Measuring SHBG helps evaluate hormonal balance and can aid in diagnosing conditions such as androgen deficiency, polycystic ovary syndrome (PCOS), and thyroid dysfunction.
- 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.
SHBG (Sex Hormone Binding Globulin) is a protein that binds to sex hormones like testosterone and estrogen, regulating their availability in the bloodstream. Measuring SHBG helps evaluate hormonal balance and can aid in diagnosing conditions such as androgen deficiency, polycystic ovary syndrome (PCOS), and thyroid dysfunction.
- 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.
Sheep Epithelia (e81) IgE
Labcorp
Not offered
This test measures the IgE antibody levels in the blood to identify allergic reactions to sheep epithelia. It helps in diagnosing allergies related to sheep fur or dander, guiding appropriate allergy management strategies.
Sheep Milk (f325) IgE
Labcorp
Not offered
This test measures an individual's allergic reaction to sheep milk by quantifying the IgE antibodies in the blood. It's a precise lab test used alongside other clinical evaluations to help diagnose food allergies.
Sheep Sorrel (w18) IgE
Labcorp
Not offered
This test measures the body's immune response to sheep sorrel, a common allergen, by assessing the level of specific IgE antibodies in the serum. It helps in identifying allergic reactions to sheep sorrel, which is important for individuals experiencing allergy symptoms.
Shrimp (f24) IgE
Labcorp
Not offered
This test is designed to identify allergic reactions to shrimp by measuring the IgE antibodies in your blood. It's a crucial step for those who suspect they might have a shrimp allergy, helping to confirm the diagnosis and guide dietary and lifestyle adjustments.
Sickle Cell Screen (Hemoglobin Solubility)
Sickle Cell Screen (Hemoglobin Solubility Test) detects the presence of hemoglobin S, the abnormal form of hemoglobin found in sickle cell disease and trait. It is a rapid screening tool used to identify individuals who may carry or be affected by sickle cell conditions.
- Sickle Cell Screen A screening test that detects sickle hemoglobin; a positive result is typically followed by hemoglobin electrophoresis to confirm sickle cell trait or disease.
Sickle Cell Screen (Hemoglobin Solubility Test) detects the presence of hemoglobin S, the abnormal form of hemoglobin found in sickle cell disease and trait. It is a rapid screening tool used to identify individuals who may carry or be affected by sickle cell conditions.
- Sickle Cell Screen A screening test that detects sickle hemoglobin; a positive result is typically followed by hemoglobin electrophoresis to confirm sickle cell trait or disease.
Sjogren's Antibodies (SS-A, SS-B)
Labcorp
Not offered
Sjögren's Antibodies (SS-A, SS-B) - Sjögren's antibodies (SS-B) is detected in approximately 15% of patients with Sjögren's Syndrome. Sjögren's antibody (SS-B) is present only if Sjögren's antibody (SS-A) is also detected. The presence of both antibodies (SS-A and SS-B) strengthen the diagnosis of Sjögren's Syndrome and conveys prognostic information.
- Sjögren's Syndrome A (SS-A/Ro) Antibody An autoantibody associated with Sjögren's syndrome and lupus; also relevant in pregnancy due to a risk of neonatal heart complications.
- Sjögren's Syndrome B (SS-B/La) Antibody An autoantibody associated with Sjögren's syndrome and lupus, often found alongside SS-A antibodies.