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New England · Triiodothyronine Hormone T3 Test

Triiodothyronine Hormone T3 Test in New Hampshire

Triiodothyronine Hormone T3 Test is a laboratory test you can request directly. The Triiodothyronine Hormone T3 Test measures the levels of T3 in your blood to assess thyroid function.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The Triiodothyronine Hormone T3 Test is a blood test that evaluates the levels of triiodothyronine, a thyroid hormone. This test helps in understanding thyroid health by measuring both free and bound T3.

What it measures

  • Total T3 — reflects overall T3 levels in the blood
  • Free T3 — indicates the active form of T3 available to cells
  • Bound T3 — shows T3 attached to proteins in the blood

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a blood sample from a vein in your arm.

Why it is often ordered

Clinicians typically order this test to evaluate thyroid function and investigate symptoms of thyroid imbalance. It can help in assessing conditions related to abnormal thyroid activity.

Preparation

Preparation for the test may vary, so it's important to follow the specific instructions provided by the collection lab.

How results are reported

Results are reported as levels of T3 in the blood, and reference ranges can vary between laboratories. It's essential to discuss your results with a healthcare provider.

Before you go

  • Test preparation requirements
  • Sample collection procedure
  • Result turnaround time

Cities

Triiodothyronine Hormone T3 Test in New Hampshire communities

Choose your city for local context and to request this test.