ICD-10-CM H70.10 → ICD-9
Chronic mastoiditis, unspecified ear
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 3831Approximate match
Chronic mastoiditis, unspecified ear
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.