What this is, in plain language
A blood test that measures the level of thyroid-stimulating hormone, used to evaluate thyroid function.
Why a clinician orders it
Screening for thyroid disease, evaluating fatigue, weight changes, or monitoring thyroid medication.
Medical necessity — what insurers usually look at
Medicare covers TSH for evaluation and monitoring of thyroid disease per NCD 190.22; routine screening in asymptomatic adults may not be covered.
Documentation to ask about
- ✓Symptoms or thyroid diagnosis
- ✓Medication being monitored
Questions for your provider
- ?Is the lab in my network?
Why this code is in our seed set
Top-6 on the CMS Top 100 Lab Procedures Ranked by Services (~14 million allowed services).
Validated against
- •CMS Top 100 Lab Procedures Ranked by Services
- •CMS NCD 190.22 (Thyroid Testing)
- •AMA CPT code 84443 descriptor
Terms you'll see
Medical NecessityRead more →
The insurer is reviewing whether the service is clinically appropriate for your situation.
Important: AuraCode is an educational tool. It does not provide medical, legal, or insurance advice, claims decisions, or approval guarantees. Final coverage depends on your specific plan, eligibility, diagnosis, submitted documentation, and your insurer's review.