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ICD-10-CM · FY 2026 APRIL UPDATE

H70.2

Petrositis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
H70.20Unspecified petrositisCategory
H70.201Unspecified petrositis, right earBillable
H70.202Unspecified petrositis, left earBillable
H70.203Unspecified petrositis, bilateralBillable
H70.209Unspecified petrositis, unspecified earBillable
H70.21Acute petrositisCategory
H70.211Acute petrositis, right earBillable
H70.212Acute petrositis, left earBillable
H70.213Acute petrositis, bilateralBillable
H70.219Acute petrositis, unspecified earBillable
H70.22Chronic petrositisCategory
H70.221Chronic petrositis, right earBillable
H70.222Chronic petrositis, left earBillable
H70.223Chronic petrositis, bilateralBillable
H70.229Chronic petrositis, unspecified earBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.