H90 ICD-10-CA category: Conductive and sensorineural hearing loss

H90 isn’t a code on its own. Choose one of the 9 codes beneath it, the one the documentation supports.

Official description

H90

Conductive and sensorineural hearing loss

ICD-10-CA · Canada

Codes in H90

H90 isn’t a code on its own. Open the code that matches what the note documents.

Notes for H90

As CIHI prints them, with any note H90 takes from the headings above it.

Includes

  • Congenital deafness

Excludes

Conditions classified elsewhere.

  • Deaf mutism NEC (H91.3)deafness NOS (H91.9)hearing loss:• NOS (H91.9)• noise-induced (H83.3)• ototoxic (H91.0)• sudden (idiopathic) (H91.2)
  • 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 H90 sits

  1. 1ChapterChapter 8: Diseases of the ear and mastoid process (H60-H95)
  2. 2Block H90-H95Other disorders of ear
  3. 3Category H90Conductive and sensorineural hearing loss

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

Is H90 a valid ICD-10-CA code?

No. H90 (Conductive and sensorineural hearing loss) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 9 codes; record the one the documentation supports.

Where is H90 in ICD-10-CA?

H90 sits under H90-H95 Other disorders of ear, within Chapter 8: Diseases of the ear and mastoid process (H60-H95).

What coding notes apply to H90?

ICD-10-CA lists Includes, Excludes notes for H90, 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.