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Individual test · Labcorp 224576

Thyroid-stimulating Hormone (TSH) and Free T4

This test measures levels of thyroid-stimulating hormone (TSH) and free T4 to evaluate how well your thyroid gland is functioning. It helps show whether your body has the right amount of hormone to regulate energy and metabolism, which is important if you have symptoms like fatigue or unexplained weight changes. These results help doctors distinguish between an underactive thyroid (hypothyroidism) and an overactive thyroid (hyperthyroidism). However, this test alone does not identify the specific underlying cause of the thyroid issue, such as an autoimmune disorder.

Included in these panels

Ordering one of these? Thyroid-stimulating Hormone (TSH) and Free T4 is already part of it.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.