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ICD-10 ↔ CPT medical-necessity crosswalk

3,415 procedures — the ICD-10 diagnoses that support each CPT under Medicare coverage (LCD/NCD).

Pick a procedure code to see the ICD-10 diagnoses that support its medical necessity under Medicare coverage policies — the list that keeps a claim from denying as CARC 50 (not medically necessary). Based on the CMS Medicare Coverage Database; verify the current LCD/NCD for your MAC.

More free billing tools: NCCI edits · Medicare fees · denial codes · all tools

Informational only, not coding, billing, or legal advice. Coverage varies by MAC/state — verify the governing LCD/NCD.

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