Allergy Testing

Anemia Testing

Arthritis and Inflammation Tests

Blood Type and Blood Disorders

Cancer and Tumor Marker Tests

Cardiac Health and Cholesterol

Cat and Dog Animal Allergy Panels

Diabetes Testing

DNA Paternity Testing

Drug Testing

Food Allergy Testing Panels

Gastrointestinal Health Tests

General Health and Wellness Tests

Heavy Metals and Toxins Tests

Hepatitis Testing

Hormone Testing

Immunity Detection and Titer Testing

Infectious Disease Testing

Kidney and Liver Tests

Sports Testing

STD Testing

Testosterone Testing

Thyroid Tests

Vitamin and Nutritional Testing

Tests In Alphabetical Order

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Reverse T3 Test

Thyroid Tests




The reverse T3 test is a blood test that measures the levels of reverse triiodothyronine (rT3) in the body. rT3 is a metabolite of the thyroid hormone T4, and high levels of rT3 may be indicative of a thyroid disorder or other underlying health condition. This test may be used to help diagnose hypothyroidism, hyperthyroidism, or thyroid hormone resistance. It can also be used to monitor thyroid function in patients undergoing treatment for thyroid disorders.

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Other Tests in Thyroid Tests


Free T3 Test (FT3) Free T4 Test (FT4) Parathyroid Hormone (PTH) Test Reverse T3 Test Thyroid Panel Thyroid Panel with TSH (Thyroid Stimulating Hormone) Thyroid Peroxidase (TPO) Antibodies Test Thyroid Stimulating Immunoglobulin (TSI) Test Total T4 (Thyroxine) Test Triiodothyronine (T3) Test TSH Test (Thyroid-Stimulating Hormone)