CPT 84443: Thyroid Stimulating Hormone (TSH)
Thyroid stimulating hormone (TSH). The primary screening and monitoring test for thyroid function disorders.
Why CPT 84443 Claims Get Denied
Claims billed under CPT 84443 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Screening frequency exceeds guidelines
Not medically necessary per submitted diagnosis
Duplicate test within short timeframe
Bundled with thyroid panel
Billing Tips for CPT 84443
TSH is the first-line test for thyroid screening and monitoring. For monitoring patients on thyroid medication, bill with the appropriate hypothyroidism or hyperthyroidism diagnosis. Medicare covers TSH when medically necessary (not for routine screening without symptoms or risk factors).
Documentation Requirements
To support a clean claim for CPT 84443, your clinical documentation should include:
Provider order with clinical indication
Results documented in the medical record
Interpretation and follow-up plan
Thyroid medication management documentation if monitoring
Reduce CPT 84443 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.