ICD-9 3821 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 3821.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- H66.10Chronic tubotympanic suppurative otitis media, unspecifiedApproximate match
- H66.11Chronic tubotympanic suppurative otitis media, right earApproximate match
- H66.12Chronic tubotympanic suppurative otitis media, left earApproximate match
- H66.13Chronic tubotympanic suppurative otitis media, bilateralApproximate match