H66.22

Billable

ChapterH60–H95

Ranksubcategory

Official Description

Chronic atticoantral suppurative otitis media, left ear

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).

General instructions are available for the parent sections:

View CH8 Notes View H66 Notes View H66.2 Notes

Clinical Hierarchy

CH8Diseases of the ear and mastoid process (H60-H95)

H65-H75Diseases of middle ear and mastoid (H65-H75)

H66Suppurative and unspecified otitis media

H66.2Chronic atticoantral suppurative otitis media

H66.22Chronic atticoantral suppurative otitis media, left ear

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H66.22:

subcategoryH66.2

Chronic atticoantral suppurative otitis media

View context instructions

categoryH66

Suppurative and unspecified otitis media

View context instructions

chapterCH8

Diseases of the ear and mastoid process (H60-H95)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H66.22. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths

Disease, diseased2 unique routes

atticoantral, chronic

left→H66.22

persistent mucosal (middle ear)

left→H66.22

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 152

Otitis Media and URI with MCC

DRG 153

Otitis Media and URI without MCC

Cross Reference

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