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The Leptin Test measures leptin hormone levels in blood to evaluate metabolism, appetite regulation, and body fat balance. Abnormal levels may indicate obesity, metabolic syndrome, insulin resistance, or leptin deficiency. Doctors use this test to assess unexplained weight gain, difficulty losing weight, or potential endocrine disorders. It also supports research on energy balance, fertility, and overall metabolic health management.
The Estrone (E1) Test measures estrone, one of the three main estrogen hormones, to assess reproductive and hormonal health. It helps evaluate ovarian function, menstrual irregularities, menopause status, and estrogen-related disorders. In men, estrone testing may detect hormonal imbalances or excess estrogen. Doctors use this test to monitor hormone therapy, fertility treatments, and conditions affecting bone health, metabolism, and overall endocrine balance.
The T3 Reverse (rT3) Test measures reverse triiodothyronine, an inactive thyroid hormone, to assess thyroid and metabolic function. High rT3 may occur in hypothyroidism, chronic illness, stress, or during certain treatments, while low levels may reflect hormone imbalance. Doctors use this test along with TSH, Free T4, and Free T3 to evaluate fatigue, weight changes, or slow metabolism. The rT3 Test provides insight into thyroid regulation, energy balance, and endocrine health.
The T4 Free Test measures the level of free thyroxine (T4) in blood, the active thyroid hormone not bound to proteins. It helps diagnose thyroid disorders such as hypothyroidism, hyperthyroidism, and goiter, as well as pituitary conditions affecting hormone regulation. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heartbeat and to monitor thyroid replacement or antithyroid therapy, providing insight into metabolic and endocrine health.
The Thyroid Peroxidase Antibodies (TPOAb) Test detects antibodies that target thyroid peroxidase, an enzyme vital for thyroid hormone production. High levels often indicate autoimmune thyroid disorders such as Hashimoto’s thyroiditis or Graves’ disease. Doctors order this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heartbeat and to confirm thyroid disease. It provides key insight into autoimmune activity and overall thyroid health.
The CA 125 Test measures the level of cancer antigen 125 in blood, a protein often elevated in ovarian cancer and some other conditions. While not used alone for diagnosis, it helps monitor treatment effectiveness, detect recurrence, or assess disease progression. Elevated CA 125 may also be seen in endometriosis, fibroids, or pelvic inflammation. Doctors use this test to support cancer management and track overall reproductive and abdominal health.
The Estrogen Total Test measures all forms of estrogen in blood, including estradiol, estrone, and estriol, to assess reproductive and hormonal health. Abnormal levels may indicate menstrual irregularities, menopause status, infertility, or hormone-related disorders. Doctors order this test to evaluate fertility, monitor hormone therapy, and investigate symptoms such as hot flashes, irregular cycles, or abnormal bleeding. It provides key insight into endocrine and reproductive function.
The QuantiFERON-TB Gold Plus Test is a blood test that detects latent or active tuberculosis (TB) infection by measuring the immune response to TB antigens. It offers greater accuracy than the traditional skin test and avoids false positives from prior BCG vaccination. Doctors use it for TB screening, diagnosis, and monitoring in high-risk individuals. The QFT-Plus test is recommended for healthcare workers, travelers, and those exposed to TB.
The Cardio IQ™ Homocysteine Test measures homocysteine levels in the blood, an amino acid linked to cardiovascular risk. Elevated levels may indicate increased risk for heart disease, stroke, or vitamin deficiencies (B6, B12, folate). This test helps assess cardiovascular health and guide prevention strategies.
The Cortisol Saliva Test measures free cortisol, the active hormone released by the adrenal glands, using a convenient saliva sample. Cortisol regulates stress response, metabolism, and immune function. Doctors order this test to evaluate fatigue, insomnia, weight changes, or suspected adrenal disorders like Cushing’s or Addison’s disease. Results provide accurate insight into cortisol levels and help guide diagnosis and treatment planning.
The T4 Total Test measures total thyroxine (T4) in blood, a combination of both bound and unbound (free) T4, to assess thyroid function. Abnormal levels may indicate hypothyroidism, hyperthyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heart rate and to monitor thyroid replacement or antithyroid therapy. The T4 Total Test provides key insight into metabolic, hormonal, and endocrine health.
The Thyroid Stimulating Hormone (TSH) Test measures TSH levels in blood to assess thyroid function and diagnose hypothyroidism or hyperthyroidism. It evaluates how the thyroid controls metabolism, energy, weight, and heart rate. Doctors use the TSH test to investigate symptoms such as fatigue, hair loss, or mood changes. Frequently included in routine health exams, it is also key for monitoring thyroid disease treatment and overall endocrine balance.