H61.81

Non-Billable

ChapterH60–H95

Ranksubcategory

Official Description

Exostosis of external canal

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:

View CH8 Notes

Clinical Hierarchy

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

H60-H62Diseases of external ear (H60-H62)

H61Other disorders of external ear

H61.8Other specified disorders of external ear

H61.81Exostosis of external canal

H61.811Exostosis of right external canal

H61.812Exostosis of left external canal

H61.813Exostosis of external canal, bilateral

H61.819Exostosis of external canal, unspecified ear

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H61.81:

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 H61.81. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Exostosis1 unique routes

external ear canal→H61.81

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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