H73.0 ICD-10-CA code: Acute myringitis

H73.0 is the ICD-10-CA code for “Acute myringitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H73.0

Acute myringitis

ICD-10-CA · Canada · Also written H730

Index terms

Entries in CIHI’s alphabetical index that lead to H73.0. Searching the index by the condition the note names is how coders reach this code.

  • Myringitis, acute
  • Tympanitis, acute
  • Myringitis, bullous

Notes for H73.0

As CIHI prints them, with any note H73.0 takes from the headings above it.

Includes

  • Acute tympanitisBullous myringitis

Excludes

Conditions classified elsewhere.

  • With otitis media (H65-H66)
  • 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 H73.0 sits

  1. 1ChapterChapter 8: Diseases of the ear and mastoid process (H60-H95)
  2. 2Block H65-H75Diseases of middle ear and mastoid
  3. 3Category H73Other disorders of tympanic membrane
  4. 4Valid code H73.0Acute myringitis

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 H73.0 mean?

H73.0 is the ICD-10-CA code for “Acute myringitis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H73.0 in ICD-10-CA?

H73.0 sits under H73 Other disorders of tympanic membrane, within H65-H75 Diseases of middle ear and mastoid, within Chapter 8: Diseases of the ear and mastoid process (H60-H95).

What coding notes apply to H73.0?

ICD-10-CA lists Includes, Excludes notes for H73.0, 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.