Procedure · Updated Aug 1, 2026
Thyroid test: CPT code and Medicare rate
A thyroid-stimulating hormone (TSH) blood test — the first-line screen for an underactive or overactive thyroid, and the standard way to monitor thyroid medication.
Also called: tsh, thyroid blood test, thyroid stimulating hormone test.
Usually billed as
84443 has no national Medicare amount in the Q3 2026 release — its status is statutory exclusion. What Medicare pays depends on the circumstances of the individual claim.
Common questions
- Thyroid test: which code is it?
- 84443 — Thyroid-Stimulating Hormone (TSH). A thyroid-stimulating hormone (TSH) blood test — the first-line screen for an underactive or overactive thyroid, and the standard way to monitor thyroid medication.
- Thyroid test: how much does Medicare pay?
- 84443 has no national Medicare amount in the Q3 2026 release — its status is statutory exclusion. What Medicare pays depends on the specific circumstances of the claim.
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Every code page carries the full locality breakdown, the RVU and GPCI inputs, and the release that answered.
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This page maps everyday language to the code a claim normally carries. It is general information about how Medicare prices a service, not coding advice for a specific claim — the correct code always depends on what was actually documented and performed.
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