H71.3Header code — not billable
Diffuse cholesteatosis
- Chapter
- 8. Diseases of the ear and mastoid process
- Category
- H71
- Effective date
- October 1, 2026
Related codes in category H71
H71Cholesteatoma of middle earH71.0Cholesteatoma of atticH71.00Cholesteatoma of attic, unspecified earYesH71.01Cholesteatoma of attic, right earYesH71.02Cholesteatoma of attic, left earYesH71.03Cholesteatoma of attic, bilateralYesH71.1Cholesteatoma of tympanumH71.10Cholesteatoma of tympanum, unspecified earYesH71.11Cholesteatoma of tympanum, right earYesH71.12Cholesteatoma of tympanum, left earYesH71.13Cholesteatoma of tympanum, bilateralYesH71.2Cholesteatoma of mastoid
Frequently asked questions
What is ICD-10 code H71.3?
H71.3 is an ICD-10-CM diagnosis code for Diffuse cholesteatosis.
Is H71.3 a billable code?
No. H71.3 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is H71.3 in?
H71.3 falls under Chapter 8: Diseases of the ear and mastoid process.
When did H71.3 become effective?
H71.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H71.3?
H71.3 belongs to category H71, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.