H80.9 ICD-10-CA code: Otosclerosis, unspecified

H80.9 is the ICD-10-CA code for “Otosclerosis, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H80.9

Otosclerosis, unspecified

Short description: Otosclerosis unspecified

ICD-10-CA · Canada · Also written H809

Index terms

Entries in CIHI’s alphabetical index that lead to H80.9. Searching the index by the condition the note names is how coders reach this code.

  • Otosclerosis
  • Otospongiosis

Notes for H80.9

As CIHI prints them, with any note H80.9 takes from the headings above it.

Includes

Excludes

Conditions classified elsewhere.

  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 8: Diseases of the ear and mastoid process (H60-H95)

Where H80.9 sits

  1. 1ChapterChapter 8: Diseases of the ear and mastoid process (H60-H95)
  2. 2Block H80-H83Diseases of inner ear
  3. 3Category H80Otosclerosis
  4. 4Valid code H80.9Otosclerosis, unspecified

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code H80.9 mean?

H80.9 is the ICD-10-CA code for “Otosclerosis, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H80.9 in ICD-10-CA?

H80.9 sits under H80 Otosclerosis, within H80-H83 Diseases of inner ear, within Chapter 8: Diseases of the ear and mastoid process (H60-H95).

What coding notes apply to H80.9?

ICD-10-CA lists Includes, Excludes notes for H80.9, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.