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Showing 889–912 of 1013 results
Swordfish (f312) IgE
Labcorp
Not offered
This test is designed to detect allergic reactions to swordfish by measuring the presence of specific IgE antibodies in the serum. Identifying these antibodies can help in diagnosing seafood allergies and guiding dietary recommendations.
Sycamore (t11) IgE
Labcorp
Not offered
This test measures your body's IgE response to sycamore, helping to identify allergic reactions. It's a lab test used alongside other clinical information to help diagnose allergic diseases. Sometimes, it's a better option than skin tests, especially for people with skin conditions, those who have recently taken certain medications, uncooperative patients, or when there's a risk of severe allergic reactions from skin testing. Remember, a single test can't diagnose an allergy on its own. A healthcare professional should consider all clinical and laboratory findings.
T3, Free
T3, Free measures the unbound, active form of triiodothyronine in the bloodstream. It is used to evaluate thyroid function, especially in diagnosing hyperthyroidism or assessing the effectiveness of thyroid hormone therapy.
- T3, Free (fT3) The unbound, biologically active portion of triiodothyronine (T3), the more potent thyroid hormone. Used to evaluate thyroid function.
T3, Free measures the unbound, active form of triiodothyronine in the bloodstream. It is used to evaluate thyroid function, especially in diagnosing hyperthyroidism or assessing the effectiveness of thyroid hormone therapy.
- T3, Free (fT3) The unbound, biologically active portion of triiodothyronine (T3), the more potent thyroid hormone. Used to evaluate thyroid function.
T3, Total
T3, Total measures the total amount of triiodothyronine in the blood, including both bound and unbound forms. It helps assess thyroid function and is particularly useful in evaluating cases of hyperthyroidism.
- T3, Total Measures total triiodothyronine (T3), including both bound and unbound hormone, used in thyroid function evaluation.
T3, Total measures the total amount of triiodothyronine in the blood, including both bound and unbound forms. It helps assess thyroid function and is particularly useful in evaluating cases of hyperthyroidism.
- T3, Total Measures total triiodothyronine (T3), including both bound and unbound hormone, used in thyroid function evaluation.
T3 Uptake
T3 Uptake is a test that indirectly estimates the number of available binding sites on thyroid-binding proteins, primarily thyroid-binding globulin (TBG). It is used alongside total T4 to calculate the Free Thyroxine Index (FTI), helping to assess thyroid function and differentiate between thyroid and binding protein abnormalities.
- T3 Uptake An older test used, together with total T4, to estimate free thyroid hormone levels by assessing binding protein capacity.
T3 Uptake is a test that indirectly estimates the number of available binding sites on thyroid-binding proteins, primarily thyroid-binding globulin (TBG). It is used alongside total T4 to calculate the Free Thyroxine Index (FTI), helping to assess thyroid function and differentiate between thyroid and binding protein abnormalities.
- T3 Uptake An older test used, together with total T4, to estimate free thyroid hormone levels by assessing binding protein capacity.
T4, Free
T4, Free measures the unbound, biologically active form of thyroxine in the blood. It is a key indicator of thyroid function and is commonly used to evaluate thyroid disorders, especially when TSH levels are abnormal.
- T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.
T4, Free measures the unbound, biologically active form of thyroxine in the blood. It is a key indicator of thyroid function and is commonly used to evaluate thyroid disorders, especially when TSH levels are abnormal.
- T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.
T4, Total
Quest
Not offered
T4, Total measures the overall amount of thyroxine in the blood, including both bound and unbound forms. It is used to assess thyroid function and can help diagnose conditions such as hypothyroidism or hyperthyroidism.
- T4, Total Measures total thyroxine (T4), including both bound and unbound hormone, used in thyroid function evaluation.
Tarragon (f272) IgE
Labcorp
Not offered
This test measures the body's immune response to tarragon, helping to identify potential allergies to this herb. By analyzing a small serum sample, healthcare providers can determine if an individual has an IgE-mediated allergic reaction to tarragon, which is useful for diagnosing and managing dietary restrictions and allergy treatments.
Tea (f222) IgE
Labcorp
Not offered
This test measures the body's immune response to tea, helping to identify potential tea allergies. By analyzing a small serum sample, it can provide valuable information for individuals experiencing adverse reactions to tea.
Testosterone, Bioavailable
Quest
Not offered
Testosterone, Bioavailable (Total, Free, Bioavailable, SHBG) offers a full evaluation of testosterone status. It measures total and free testosterone, as well as the portion that is loosely bound to albumin (bioavailable), alongside SHBG, to determine the amount of testosterone readily available for the body to use.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
- Testosterone, % Free+Weakly Bound
Testosterone, Free and Total, with SHBG
Quest
Not offered
Testosterone, Free & Total with SHBG (Sex Hormone-Binding Globulin) provides a comprehensive assessment of androgen status. Total testosterone reflects all circulating testosterone, while free testosterone represents the biologically active portion, and SHBG helps determine how much testosterone is bound versus available for use in the body.
- 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.
- 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.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Testosterone, Free, Bioavailable and Total, Males (Adult), Immunoassay
Labcorp
Not offered
This test panel may be helpful in assessing androgen status and screening for hypogonadism in men. This immunoassay cannot accurately measure the low testosterone levels generally found in women, children, and men with hypogonadism [1].
- 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.
- 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.
- 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.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Testosterone, Free, Bioavailable and Total, MS
Labcorp
Not offered
This test is crucial for evaluating testicular function in males and for managing conditions like hirsutism and virilization in females. It measures the levels of free, bioavailable, and total testosterone in the body, providing comprehensive insights into an individual's hormonal balance.
- 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.
- 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.
- 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.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Testosterone, Free, Calculated
Labcorp
Not offered
Free testosterone is the fraction of testosterone not bound to proteins, the part your tissues can use. This test calculates it from total testosterone, sex hormone-binding globulin (SHBG) and albumin, a method the Endocrine Society recommends over direct immunoassays.
- 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.
Testosterone, Free, Direct (Analog Immunoassay)
Quest
Not offered
Free testosterone is the biologically active form of testosterone not bound to proteins in the blood. Measuring free testosterone helps evaluate hormonal imbalances and can aid in diagnosing conditions related to reproductive or endocrine function in both men and women.
- Free Testosterone, Direct (Analog Immunoassay) Directly measures the small, unbound portion of testosterone that's biologically active in your tissues.
Testosterone, Free, Direct (Analog Immunoassay) with Total Testosterone, LC/MS-MS
Quest
Not offered
Testosterone, Free, Direct With Total Testosterone, LC/MS-MS provides a comprehensive evaluation of androgen status. Total testosterone reflects the overall amount of testosterone in the bloodstream, while direct free testosterone represents the unbound, biologically active portion available for use by the body. This panel is valuable for evaluating androgen status in patients with symptoms of hormonal imbalance, such as infertility, sexual dysfunction, or irregular menstrual cycles. It helps differentiate between primary and secondary hypogonadism and is also useful for monitoring testosterone replacement therapy.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
- Free Testosterone, Direct (Analog Immunoassay) Directly measures the small, unbound portion of testosterone that's biologically active in your tissues.
Testosterone, Free (Equilibrium Dialysis) and Total, LC/MS-MS
Labcorp
Not offered
Measures free testosterone by equilibrium dialysis, the reference method, together with total testosterone by LC/MS-MS. Free testosterone is the unbound fraction your tissues can use.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Testosterone, Free (Ultrafiltration) + Total
Quest
Not offered
This panel measures both free and total testosterone levels in the blood. It can help assess testicular function in men and investigate symptoms such as hirsutism, irregular periods, or signs of masculinization in women.
- 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.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
- Free Testosterone (%)
Testosterone, Total, Males (Adult), Immunoassay
Labcorp
Not offered
This test measures the level of testosterone in the body, which is mostly bound to transport proteins like sex hormone binding globulin (SHBG). Only a small fraction of testosterone is free and active. Understanding testosterone levels can help in diagnosing and treating conditions such as erectile dysfunction, infertility, gynecomastia (enlarged breast tissue in men), osteoporosis, and in assessing hormone replacement therapy.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Testosterone, Women, Children & Hypogonadal Males
Quest
Not offered
This assay provides the sensitivity and specificity required for the assessment of the low testosterone levels found in women, children, adolescents, and hypogonadal men.
- Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.
Thrombotic Risk Assessment
Quest
Not offered
The Thrombotic Risk Assessment assesses an individual's risk for developing a thrombotic event, such as a stroke or heart attack, by measuring factors affecting blood clotting.
- Homocysteine An amino acid byproduct of protein metabolism. Elevated levels are linked to increased cardiovascular risk and can reflect low B vitamin (B12, folate, B6) status.
- Protein C Activity Measures the activity of Protein C, a natural anticoagulant. Low activity is linked to an increased risk of blood clots.
- Activated Protein C Resistance
- 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.
- 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.
- Dilute Russell's Viper Venom Time (DRVVT) Screen
- Factor II (F2) DNA Analysis
- Lupus Anticoagulant
- Plasminogen
- Protein S Antigen, Free The unbound, biologically active portion of Protein S, a natural anticoagulant. Low levels raise the risk of blood clots.
- PTT-LA Screen
Thyme (f273) IgE
Labcorp
Not offered
This test measures the body's immune response to thyme, helping to identify potential thyme allergies. By analyzing a small serum sample, healthcare providers can understand if an individual's immune system reacts abnormally to thyme, which is crucial for diagnosing and managing allergies effectively.
Thyroglobulin Antibodies
Thyroglobulin Antibodies (Tg Abs) are autoantibodies directed against thyroglobulin, a key protein in thyroid hormone production. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimoto’s thyroiditis and can interfere with thyroglobulin monitoring in thyroid cancer patients.
- 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.
Thyroglobulin Antibodies (Tg Abs) are autoantibodies directed against thyroglobulin, a key protein in thyroid hormone production. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimoto’s thyroiditis and can interfere with thyroglobulin monitoring in thyroid cancer patients.
- 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.
Thyroglobulin, Quantitative
This test measures thyroglobulin (Tg) and thyroglobulin antibodies (Anti-Tg). Thyroglobulin is a protein produced by the thyroid gland that is often used as a tumor marker in patients with thyroid cancer. It is primarily monitored after thyroidectomy or radioactive iodine treatment to detect recurrence or residual thyroid tissue. Thyroglobulin antibodies are autoantibodies directed against thyroglobulin. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimoto’s thyroiditis and can interfere with thyroglobulin monitoring in thyroid cancer patients.
- 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.
- Thyroglobulin (Tg) Thyroglobulin, a protein made by the thyroid gland. Used mainly to monitor for thyroid cancer recurrence after treatment.
This test measures thyroglobulin (Tg) and thyroglobulin antibodies (Anti-Tg). Thyroglobulin is a protein produced by the thyroid gland that is often used as a tumor marker in patients with thyroid cancer. It is primarily monitored after thyroidectomy or radioactive iodine treatment to detect recurrence or residual thyroid tissue. Thyroglobulin antibodies are autoantibodies directed against thyroglobulin. Elevated levels are commonly associated with autoimmune thyroid diseases such as Hashimoto’s thyroiditis and can interfere with thyroglobulin monitoring in thyroid cancer patients.
- 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.
- Thyroglobulin (Tg) Thyroglobulin, a protein made by the thyroid gland. Used mainly to monitor for thyroid cancer recurrence after treatment.