ODX Functional Testing

The Magnesium Serum Test measures magnesium levels in blood to evaluate electrolyte balance, nerve and muscle function, and overall metabolic health. Abnormal levels may indicate kidney disease, malnutrition, gastrointestinal disorders, or uncontrolled diabetes. Low magnesium can cause weakness, cramps, or irregular heartbeat, while high levels may signal kidney dysfunction. Doctors use this test to diagnose deficiencies, monitor therapy, or assess chronic health conditions.

The Magnesium Micronutrient RBC Test measures magnesium levels within red blood cells, providing a more accurate assessment of long-term magnesium status than serum tests. Magnesium is vital for muscle and nerve function, energy production, bone strength, and heart health. This test helps detect deficiencies or imbalances from poor diet, absorption issues, or medical conditions, supporting overall wellness.

Patient must be 18 years of age or older.

The Magnesium RBC Test measures magnesium inside red blood cells, providing a more accurate assessment of magnesium status than serum tests. Magnesium is vital for energy production, muscle and nerve function, heart rhythm, and bone health. Low levels may cause fatigue, cramps, arrhythmias, or weakness, while high levels may signal kidney issues. Doctors order this test to detect deficiency, monitor therapy, and evaluate overall metabolic and nutritional health.

The Phosphate (as Phosphorus) Test measures phosphorus levels in blood to evaluate bone strength, energy metabolism, and kidney health. Abnormal levels may indicate kidney disease, vitamin D imbalance, parathyroid disorders, or malnutrition. Doctors order this test to investigate fatigue, muscle weakness, or bone problems and to monitor conditions like chronic kidney disease. It provides key insight into metabolic, endocrine, and bone health.

The Pregnenolone Test measures pregnenolone levels in blood, a precursor hormone used to make cortisol, DHEA, estrogen, progesterone, and testosterone. Abnormal levels may indicate adrenal disorders, congenital adrenal hyperplasia, or pituitary problems. Doctors order this test to evaluate unexplained fatigue, infertility, or hormone imbalance and to monitor adrenal health. Results provide vital insight into endocrine function, steroid production, and overall hormonal balance.

The Progesterone Test measures progesterone levels in blood to evaluate ovulation, fertility, and menstrual health. It helps confirm whether ovulation has occurred, assess causes of infertility, and monitor hormone therapy or high-risk pregnancies. Doctors also use it to investigate abnormal bleeding, detect ovarian or adrenal disorders, and evaluate miscarriage risk. This test provides key insight into reproductive, hormonal, and overall endocrine health.

The Prolactin Test measures prolactin, a hormone produced by the pituitary gland, to assess reproductive and endocrine health. High prolactin (hyperprolactinemia) may cause infertility, irregular periods, or milk production in women and low testosterone, erectile dysfunction, or infertility in men. Doctors use this test to evaluate pituitary tumors, hormonal imbalance, or unexplained symptoms such as headaches, vision changes, or abnormal lactation.

The PSA Total Test measures prostate-specific antigen levels in blood to evaluate prostate health. Elevated PSA may indicate prostate cancer, benign prostatic hyperplasia (BPH), or prostatitis. Doctors use this test for early detection of prostate cancer, monitoring treatment, or assessing recurrence risk. Commonly recommended for men over 50 or those at higher risk, the PSA test supports diagnosis, prevention, and long-term prostate care.

The PTH Intact Test measures intact parathyroid hormone (PTH) levels in blood to evaluate parathyroid gland function and calcium balance. Abnormal PTH may indicate hyperparathyroidism, hypoparathyroidism, kidney disease, or vitamin D imbalance. Doctors use this test to investigate osteoporosis, kidney stones, or unexplained calcium abnormalities. Results provide vital insight into endocrine function, bone metabolism, and overall calcium regulation.

The Sed Rate Test, also called the ESR Test, measures how quickly red blood cells settle in a sample of blood. A faster rate may signal inflammation caused by infections, autoimmune diseases, arthritis, or other chronic conditions. Doctors use this test to investigate unexplained fever, joint pain, or muscle aches, and to monitor inflammatory disorders such as lupus or rheumatoid arthritis. The Sed Rate Test provides important insight into overall inflammatory activity.

The Sex Hormone Binding Globulin (SHBG) Test measures SHBG, a protein that binds testosterone and estrogen, to assess how much active hormone is available in the body. Abnormal levels may indicate PCOS, infertility, low testosterone, liver disease, or thyroid disorders. Doctors order this test to investigate symptoms like low libido, irregular periods, acne, or hair loss and to evaluate hormone balance, endocrine function, and metabolic health in men and women.

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 T3 Total Test measures total triiodothyronine (T3), a combination of both bound and unbound (free) T3, to assess thyroid function. Abnormal levels may indicate hyperthyroidism, hypothyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, anxiety, or irregular heartbeat and to monitor thyroid treatment. The T3 Total Test provides essential insight into metabolism, energy regulation, and overall endocrine health.

The T3 Uptake Test estimates thyroid hormone-binding capacity by measuring how well proteins in the blood bind triiodothyronine (T3). It does not measure T3 directly but helps assess thyroid function when combined with Total T4. Abnormal results may indicate hyperthyroidism, hypothyroidism, pregnancy, or protein-binding disorders. Doctors use this test to investigate fatigue, weight changes, or irregular heartbeat and to guide thyroid treatment decisions.

The T3 Free Test measures free triiodothyronine (T3), the active thyroid hormone not bound to proteins, to assess thyroid function. It helps diagnose hyperthyroidism, hypothyroidism, goiter, and pituitary disorders. Doctors order this test to evaluate symptoms like fatigue, weight changes, anxiety, or irregular heartbeat and to monitor thyroid replacement or antithyroid therapy. The Free T3 Test provides key insight into metabolism, energy regulation, and overall endocrine health.

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 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 Testosterone Total Test measures total testosterone levels in blood to evaluate reproductive, sexual, and endocrine health. In men, it helps diagnose hypogonadism, infertility, erectile dysfunction, or low libido. In women, abnormal levels may indicate PCOS or hormonal imbalance. Doctors use this test to investigate fatigue, muscle weakness, or mood changes and to monitor testosterone therapy. It provides key insight into hormone balance and metabolic health.

The Thyroid Panel Test measures Free T4 Index (T7), T3 Uptake, and Total T4 to evaluate thyroid hormone production and overall thyroid function. Abnormal results may indicate hypothyroidism, hyperthyroidism, or other endocrine disorders. Doctors use this test to investigate symptoms such as fatigue, weight changes, or irregular heartbeat and to monitor thyroid therapy. Results provide key insight into metabolism, energy balance, and endocrine health.

The Thyroid Peroxidase and Thyroglobulin Antibodies Test measures TPO and TgAb antibodies that target thyroid enzymes and proteins essential for hormone production. High levels are linked to autoimmune thyroid disorders such as Hashimoto’s thyroiditis and Graves’ disease. Doctors order this test to evaluate fatigue, weight changes, neck swelling, or irregular heartbeat and to confirm thyroid autoimmunity. It provides vital insight into thyroid function 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.

The Uric Acid Test measures uric acid levels in blood to assess kidney function and detect gout, a form of arthritis caused by uric acid buildup. High levels may also signal kidney disease, kidney stones, or metabolic disorders, while low levels can occur with liver disease. Doctors use this test to investigate joint pain, swelling, or frequent urination, and to monitor treatment for gout, kidney stones, or chemotherapy-related complications.

The Vitamin B12 Micronutrient Test measures blood levels of vitamin B12, essential for red blood cell production, nerve health, and DNA synthesis. Deficiency can cause anemia, fatigue, neurological issues, and cognitive changes. This test helps identify dietary deficiencies, absorption problems, or related health conditions, supporting diagnosis and ongoing management of overall wellness.

Patient must be 18 years of age or older.

The Vitamin B12 Test measures cobalamin levels in blood to evaluate nutritional health, red blood cell production, and nervous system function. Low B12 can cause anemia, fatigue, weakness, memory problems, and nerve damage, while high levels may indicate liver or kidney disease. Doctors use this test to detect B12 deficiency, monitor treatment, and assess malabsorption conditions like pernicious anemia, Crohn’s disease, or celiac disease.

The Vitamin B12 and Folate Panel Test measures blood levels of vitamin B12 and folate to evaluate nutritional status, red blood cell production, and nervous system health. Deficiencies may cause anemia, fatigue, weakness, neuropathy, or cognitive decline, while elevated levels can indicate liver or kidney disease. Doctors use this panel to diagnose deficiency, monitor therapy, and assess absorption disorders such as pernicious anemia, Crohn’s disease, or celiac disease.