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Labcorp
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Quest Diagnostics
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Showing 913–936 of 1013 results
Thyroid Antibodies
This panel measures the levels of antibodies to thyroid peroxidase and thyroglobulin. It can be used to help diagnose autoimmune thyroid conditions.
- Thyroid Peroxidase Antibodies (Anti-TPO) An autoantibody that's the most common marker of autoimmune thyroid disease, including Hashimoto's thyroiditis and Graves' disease.
- Thyroglobulin Antibodies (Anti-Tg) An autoantibody against thyroglobulin. Elevated levels are associated with autoimmune thyroid conditions like Hashimoto's thyroiditis, and checked before using thyroglobulin to monitor thyroid cancer.
This panel measures the levels of antibodies to thyroid peroxidase and thyroglobulin. It can be used to help diagnose autoimmune thyroid conditions.
- Thyroid Peroxidase Antibodies (Anti-TPO) An autoantibody that's the most common marker of autoimmune thyroid disease, including Hashimoto's thyroiditis and Graves' disease.
- Thyroglobulin Antibodies (Anti-Tg) An autoantibody against thyroglobulin. Elevated levels are associated with autoimmune thyroid conditions like Hashimoto's thyroiditis, and checked before using thyroglobulin to monitor thyroid cancer.
Thyroid Peroxidase Antibodies
Thyroid Peroxidase Antibodies (TPO Abs) are autoantibodies directed against thyroid peroxidase, an enzyme involved in thyroid hormone production. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimotoโs thyroiditis and Gravesโ disease.
- Thyroid Peroxidase Antibodies (Anti-TPO) An autoantibody that's the most common marker of autoimmune thyroid disease, including Hashimoto's thyroiditis and Graves' disease.
Thyroid Peroxidase Antibodies (TPO Abs) are autoantibodies directed against thyroid peroxidase, an enzyme involved in thyroid hormone production. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimotoโs thyroiditis and Gravesโ disease.
- Thyroid Peroxidase Antibodies (Anti-TPO) An autoantibody that's the most common marker of autoimmune thyroid disease, including Hashimoto's thyroiditis and Graves' disease.
Thyroid Stimulating Immunoglobulin (TSI)
Thyroid Stimulating Immunoglobulin (TSI) is an autoantibody that stimulates the thyroid gland to produce excess thyroid hormones. It is primarily used to diagnose and monitor Gravesโ disease, a common cause of hyperthyroidism.
- Thyroid Stimulating Immunoglobulin (TSI) An autoantibody that mimics TSH and overstimulates the thyroid. A key marker for diagnosing and monitoring Graves' disease.
Thyroid Stimulating Immunoglobulin (TSI) is an autoantibody that stimulates the thyroid gland to produce excess thyroid hormones. It is primarily used to diagnose and monitor Gravesโ disease, a common cause of hyperthyroidism.
- Thyroid Stimulating Immunoglobulin (TSI) An autoantibody that mimics TSH and overstimulates the thyroid. A key marker for diagnosing and monitoring Graves' disease.
Thyrotropin Receptor Antibody
Quest
Not offered
Thyrotropin receptor antibodies (TRAb) are autoantibodies that target receptors on the thyroid gland involved in regulating thyroid hormone production. This test is primarily used to help diagnose and monitor autoimmune thyroid conditions, such as Graves' disease.
- Thyrotropin Receptor Antibody An autoantibody that binds the TSH receptor on thyroid cells, either stimulating or blocking thyroid function. Used to help diagnose Graves' disease and certain other thyroid conditions.
Thyroxine Binding Globulin (TBG)
Thyroxine-Binding Globulin (TBG) is a protein that binds and transports thyroid hormones (T3 and T4) in the bloodstream. Measuring TBG helps evaluate thyroid function and can aid in distinguishing between different causes of abnormal thyroid hormone levels.
- Thyroxine Binding Globulin (TBG) The main protein that transports thyroid hormone in your blood. Helps interpret total T4/T3 results, since binding protein levels affect them.
Thyroxine-Binding Globulin (TBG) is a protein that binds and transports thyroid hormones (T3 and T4) in the bloodstream. Measuring TBG helps evaluate thyroid function and can aid in distinguishing between different causes of abnormal thyroid hormone levels.
- Thyroxine Binding Globulin (TBG) The main protein that transports thyroid hormone in your blood. Helps interpret total T4/T3 results, since binding protein levels affect them.
Thyroxine (T4), Total
Labcorp
Not offered
This test is crucial for diagnosing thyroid conditions such as hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid). By measuring the total level of thyroxine (T4) in the blood, it helps in understanding thyroid function and identifying potential issues.
- T4, Total Measures total thyroxine (T4), including both bound and unbound hormone, used in thyroid function evaluation.
- Free T4 Index (T7) Free Thyroxine Index โ a calculated estimate of free T4 thyroid hormone, adjusting total T4 for binding protein levels.
Tick-borne Disease, Acute Molecular Panel
Labcorp
Not offered
This comprehensive test helps diagnose various tick-borne diseases, making it easier for doctors by eliminating the need to test for each disease separately. These diseases often share similar symptoms and are found in the same geographic areas, making this panel a crucial tool for accurate diagnosis.
Timothy Grass (g6) IgE
Labcorp
Not offered
This test measures the body's immune response to Timothy grass by assessing the level of specific IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing allergic reactions to Timothy grass, helping to confirm or rule out this common allergen as a cause of symptoms.
Tissue Transglutaminase IgA
This test measures IgA antibodies to tissue transglutaminase. It is used to aid in the diagnosis of gluten-sensitive enteropathies such as celiac disease.
- Tissue Transglutaminase IgA The primary antibody test used to screen for celiac disease.
This test measures IgA antibodies to tissue transglutaminase. It is used to aid in the diagnosis of gluten-sensitive enteropathies such as celiac disease.
- Tissue Transglutaminase IgA The primary antibody test used to screen for celiac disease.
Tissue Transglutaminase IgG
This test measures IgG antibodies to tissue transglutaminase. It is used to aid in the diagnosis of gluten-sensitive enteropathies such as celiac disease.
- Tissue Transglutaminase (tTG) Antibody (IgG) An antibody used to screen for celiac disease, particularly useful in people with IgA deficiency.
This test measures IgG antibodies to tissue transglutaminase. It is used to aid in the diagnosis of gluten-sensitive enteropathies such as celiac disease.
- Tissue Transglutaminase (tTG) Antibody (IgG) An antibody used to screen for celiac disease, particularly useful in people with IgA deficiency.
Tissue Transglutaminase (tTG) Antibodies (IgG, IgA)
Labcorp
Not offered
This test is crucial for diagnosing conditions related to gluten sensitivity, such as Celiac Sprue Disease and dermatitis herpetiformis, a skin condition. It checks for specific antibodies (IgA and IgG) in your blood. The IgA test is standard for diagnosing these conditions, but if you're IgA-deficient, the IgG test can be used instead. The IgG test can also help identify gluten-sensitive enteropathies beyond what the IgA test can find.
- Tissue Transglutaminase IgA The primary antibody test used to screen for celiac disease.
- Tissue Transglutaminase (tTG) Antibody (IgG) An antibody used to screen for celiac disease, particularly useful in people with IgA deficiency.
Tomato (f25) IgE
Labcorp
Not offered
This test measures the body's immune response to tomatoes by checking for specific IgE antibodies in the serum. It's useful for identifying potential tomato allergies.
Total Bilirubin
Bilirubin, Total is a blood test that measures the total amount of bilirubin in the bloodstream, including both direct (conjugated) and indirect (unconjugated) forms.
- 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.
Bilirubin, Total is a blood test that measures the total amount of bilirubin in the bloodstream, including both direct (conjugated) and indirect (unconjugated) forms.
- 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.
Total Cholesterol
Cholesterol, Total is a blood test that measures the overall amount of cholesterol in your blood, including low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL). It is a key marker for assessing cardiovascular health and risk of heart disease or stroke. Elevated total cholesterol may warrant further evaluation with a full lipid panel.
- Total Cholesterol The combined measure of all cholesterol in your blood โ HDL, LDL, and other lipoproteins together. A foundational marker of cardiovascular risk.
Cholesterol, Total is a blood test that measures the overall amount of cholesterol in your blood, including low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL). It is a key marker for assessing cardiovascular health and risk of heart disease or stroke. Elevated total cholesterol may warrant further evaluation with a full lipid panel.
- Total Cholesterol The combined measure of all cholesterol in your blood โ HDL, LDL, and other lipoproteins together. A foundational marker of cardiovascular risk.
Total Estrogens
Estrogens, Total measures the combined levels of the primary estrogens (estradiol, estrone, and estriol) in the blood. It is used to assess overall estrogen status, hormonal balance, and reproductive health.
- Estrogens, Total, Immunoassay Measures your combined estrogen levels (estradiol, estrone, and estriol together), giving an overall picture of estrogen status.
Estrogens, Total measures the combined levels of the primary estrogens (estradiol, estrone, and estriol) in the blood. It is used to assess overall estrogen status, hormonal balance, and reproductive health.
- Estrogens, Total, Immunoassay Measures your combined estrogen levels (estradiol, estrone, and estriol together), giving an overall picture of estrogen status.
Total Glutathione in Whole Blood
Labcorp
Not offered
Glutathione is a tripeptide formed by a peptide linkage between the amine group of cysteine linked to glycine and the carboxyl group of the glutamate side-chain. It is an abundant cellular reducing agent, whose major biological function is mitigating oxidative damage to biological macromolecules. Glutathione is also important in the metabolism and excretion of xenobiotic compounds. Glutathione is consumed to maintain cells in a reduced condition. Consequently, glutathione levels in patient samples are expected to be diminished in disease states where oxygen reactive species are involved, such as rheumatoid arthritis and atherosclerosis. Low glutathione levels have been linked to reduced dopamine production in neurons, which suggests a relationship to dopamine based neurological disorders such as parkinson's disease. High levels of glutathione have been linked to chemotherapy resistance in cancer treatments.
Total Protein
Protein, Total measures the total amount of protein in the blood, including albumin and globulins. It is used to evaluate nutritional status, liver and kidney function, and to detect conditions such as inflammation, infection, or chronic disease.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Protein, Total measures the total amount of protein in the blood, including albumin and globulins. It is used to evaluate nutritional status, liver and kidney function, and to detect conditions such as inflammation, infection, or chronic disease.
- Total Protein The combined amount of all proteins in your blood, mainly albumin and globulins, used to help evaluate liver, kidney, and nutritional status.
Toxoplasma Antibodies (IgG, IgM)
Labcorp
Not offered
Toxoplasmosis is a parasitic infection caused by the protozoan Toxoplasma gondii. Approximately 23% of the immunocompetent population are asymptomatic carriers of the parasite. The combination of high titers of IgG and IgM antibodies to Toxoplasma gondii is consistent with infection in the last three months. High titers of IgG and low to medium titers of IgM antibodies to Toxoplasma gondii are consistent with infection in the last three to six months.
- Toxoplasma gondii, IgG Indicates past exposure to Toxoplasma gondii, a parasite that's usually harmless but can be a concern during pregnancy or with a weakened immune system.
- Toxoplasma Antibody (IgM)
Toxoplasma gondii Antibody (IgG), Qualitative
This test detects IgG antibodies to Toxoplasma gondii. A positive result indicates that the patient has a current or past T. gondii infection.
- Toxoplasma gondii, IgG Indicates past exposure to Toxoplasma gondii, a parasite that's usually harmless but can be a concern during pregnancy or with a weakened immune system.
This test detects IgG antibodies to Toxoplasma gondii. A positive result indicates that the patient has a current or past T. gondii infection.
- Toxoplasma gondii, IgG Indicates past exposure to Toxoplasma gondii, a parasite that's usually harmless but can be a concern during pregnancy or with a weakened immune system.
TRAb (TSH Receptor Binding Antibody)
Labcorp
Not offered
Measurement of TRAb is used to diagnose and manage Graves' disease, neonatal hypothyroidism, and postpartum thyroid dysfunction. TRAb, which measures the ability of antibodies to inhibit TSH binding to its receptor, reflects the presence of either or both the stimulatory and inhibitory immunoglobulin classes.
Transferrin
This test measures transferrin in the blood. It can be used to help diagnose a variety of conditions, including iron deficiency anemia, liver disease, and renal disease.
- Transferrin The main protein that transports iron in your blood. Used along with iron and ferritin to evaluate iron deficiency or overload.
This test measures transferrin in the blood. It can be used to help diagnose a variety of conditions, including iron deficiency anemia, liver disease, and renal disease.
- Transferrin The main protein that transports iron in your blood. Used along with iron and ferritin to evaluate iron deficiency or overload.
Transforming Growth Factor Beta 1 (TGF-ฮฒ1)
TGF-ฮฒ1 (Transforming Growth Factor Beta 1) is a cytokine involved in cell growth, immune regulation, and tissue repair. Elevated levels may indicate chronic inflammation, fibrosis, or immune system dysregulation, and it is often assessed in conditions such as mold illness, chronic fatigue, and Lyme disease.
- Transforming Growth Factor Beta 1 (TGF-ฮฒ1) A signaling protein (cytokine) involved in tissue repair, immune regulation, and inflammation; studied in various chronic inflammatory and fibrotic conditions.
TGF-ฮฒ1 (Transforming Growth Factor Beta 1) is a cytokine involved in cell growth, immune regulation, and tissue repair. Elevated levels may indicate chronic inflammation, fibrosis, or immune system dysregulation, and it is often assessed in conditions such as mold illness, chronic fatigue, and Lyme disease.
- Transforming Growth Factor Beta 1 (TGF-ฮฒ1) A signaling protein (cytokine) involved in tissue repair, immune regulation, and inflammation; studied in various chronic inflammatory and fibrotic conditions.
Trichoderma viride (m15) IgE
Labcorp
Not offered
This test is designed to detect an allergic reaction to the Trichoderma viride fungus. By measuring the IgE antibodies in your blood, it helps identify if you have an allergy to this specific mold. Knowing if you're allergic to Trichoderma viride can be crucial for managing and treating allergy symptoms effectively.
Trichophyton mentagrophytes (var. interdigitale) (m211) IgE
Labcorp
Not offered
This test measures the IgE antibody response to Trichophyton mentagrophytes var interdigital, helping in the diagnosis of allergic diseases. It's a quantitative assay that should be used alongside other clinical information for accurate diagnosis.