H70.89
Non-Billable
ChapterH60–H95
Ranksubcategory
Official Description
Other mastoiditis and related conditions
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).
General instructions are available for the parent sections:
Clinical Hierarchy
CH8Diseases of the ear and mastoid process (H60-H95)
H65-H75Diseases of middle ear and mastoid (H65-H75)
H70Mastoiditis and related conditions
H70.8Other mastoiditis and related conditions
H70.89Other mastoiditis and related conditions
H70.891Other mastoiditis and related conditions, right ear
H70.892Other mastoiditis and related conditions, left ear
H70.893Other mastoiditis and related conditions, bilateral
H70.899Other mastoiditis and related conditions, unspecified ear
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to H70.89:
Alphabetic Index Mentions
These are Diagnosis Index lookup paths that route to H70.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
1 raw paths
Mastoiditis (coalescent) (hemorrhagic) (suppurative)1 unique routes
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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