H70.89 Other mastoiditis and related conditions
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The ICD-10-CM code for Other mastoiditis and related conditions is H70.89 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- H65-H75: Diseases of middle ear and mastoid (H65-H75)
- Category H70
- 54 codes (40 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to H70.89:
- Mastoiditis (coalescent) (hemorrhagic) (suppurative) › specified NEC
Official Coding Guidelines
Chapter 8 reserved for future guideline expansion8. Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95) Reserved for future guideline expansion
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference H70.89 with the canonical source and edition:
H70.89 — Other mastoiditis and related conditions. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H70.89
Canonical URL: https://icd10codingpro.com/codes/H70.89