H70.221
Billable codeChronic petrositis, right ear
The ICD-10 code for chronic petrositis, right ear is H70.221.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H70.222Chronic petrositis, left ear
- H70.223Chronic petrositis, bilateral
- H70.229Chronic petrositis, unspecified ear
- H70.221Chronic petrositis, right ear
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 38322Approximate match
Associated MS-DRGs
H70.221 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.