H91Header code — not billable
Other and unspecified hearing loss
- Chapter
- 8. Diseases of the ear and mastoid process
- Category
- H91
- Effective date
- October 1, 2026
Related codes in category H91
H91.0Ototoxic hearing lossH91.01Ototoxic hearing loss, right earYesH91.02Ototoxic hearing loss, left earYesH91.03Ototoxic hearing loss, bilateralYesH91.09Ototoxic hearing loss, unspecified earYesH91.1PresbycusisH91.10Presbycusis, unspecified earYesH91.11Presbycusis, right earYesH91.12Presbycusis, left earYesH91.13Presbycusis, bilateralYesH91.2Sudden idiopathic hearing lossH91.20Sudden idiopathic hearing loss, unspecified earYes
Frequently asked questions
What is ICD-10 code H91?
H91 is an ICD-10-CM diagnosis code for Other and unspecified hearing loss.
Is H91 a billable code?
No. H91 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 H91 in?
H91 falls under Chapter 8: Diseases of the ear and mastoid process.
When did H91 become effective?
H91 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H91?
H91 belongs to category H91, 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.