ICD-9 3859 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 3859.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- H74.90Unspecified disorder of middle ear and mastoid, unspecified earApproximate match
- H74.91Unspecified disorder of right middle ear and mastoidApproximate match
- H74.92Unspecified disorder of left middle ear and mastoidApproximate match
- H74.93Unspecified disorder of middle ear and mastoid, bilateralApproximate match