H93.3 ICD-10-CA code: Disorders of acoustic nerve

H93.3 is the ICD-10-CA code for “Disorders of acoustic nerve” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H93.3

Disorders of acoustic nerve

ICD-10-CA · Canada · Also written H933

Index terms

Entries in CIHI’s alphabetical index that lead to H93.3. Searching the index by the condition the note names is how coders reach this code.

  • Neuritis, acoustic (nerve)
  • Neuritis, auditory (nerve)
  • Disorder (of), nerve, acoustic
  • Disorder (of), nerve, auditory
  • Disorder (of), nerve, cranial, eighth
  • Lesion (nontraumatic), auditory nerve
  • Disturbance, auditory nerve, except deafness
  • Neuritis, cranial nerve, eighth or acoustic or auditory

Notes for H93.3

As CIHI prints them, with any note H93.3 takes from the headings above it.

Includes

  • Disorder of 8th cranial nerve

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 H93.3 sits

  1. 1ChapterChapter 8: Diseases of the ear and mastoid process (H60-H95)
  2. 2Block H90-H95Other disorders of ear
  3. 3Category H93Other disorders of ear, not elsewhere classified
  4. 4Valid code H93.3Disorders of acoustic nerve

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 H93.3 mean?

H93.3 is the ICD-10-CA code for “Disorders of acoustic nerve” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H93.3 in ICD-10-CA?

H93.3 sits under H93 Other disorders of ear, not elsewhere classified, within H90-H95 Other disorders of ear, within Chapter 8: Diseases of the ear and mastoid process (H60-H95).

What coding notes apply to H93.3?

ICD-10-CA lists Includes, Excludes notes for H93.3, 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.