2027 ICD-10-CM Diagnosis Code H73.012Bullous myringitis, left ear

ICD-10-CM Codes›H60–H95›H65-H75›H73

ICD-10-CM H73.012
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H73.012 is a billable ICD-10-CM diagnosis code for bullous myringitis, left ear. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 152 through 153. Coders also document this condition as bullous myringitis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Diseases of middle ear and mastoid (except otitis media).

Code Identity

ICD-10-CM Code
H73.012
Billable Status
Yes — Valid for Submission
Code Describes
Bullous myringitis, left ear
Short Description
Bullous myringitis, left ear
Same as the full description in the CMS dataset.
Parent Code
H73.01
Bullous myringitis

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH65-H75Diseases of middle ear and mastoid
CategoryH73Other disorders of tympanic membrane
This CodeH73.012Bullous myringitis, left ear

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bullous myringitis
  • Bullous myringitis of left ear
  • Vesicles on tympanic membrane

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H73.012: its own notes plus those printed at H73.0 and Chapter 8. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From H73.0 Acute myringitis applies to 12 codes
  • acute myringitis with otitis media (H65, H66)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

General instructions on how these codes are used.

From Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 codes
  • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR EAR002
Diseases of middle ear and mastoid (except otitis media)
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Acute Myringitis

    inflammation of the tympanic membrane that is characterized by sudden onset of severe pain.

Patient EducationClinical

Ear Disorders

An ear disorder is any condition that changes or harms the shape or structure of your ear. This can include abnormal ear shapes you're born with, injuries that change your ear's shape, and a growth on or in the ear.

The full article covers:

  • What is an ear disorder?
  • What causes ear disorders?
  • What are the symptoms of ear disorders?
  • How are ear disorders diagnosed?
  • How are ear disorders treated?
  • Can ear disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert H73.012 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
384.01 Bullous myringitis
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About H73.012Overview

What is the ICD-10 code for bullous myringitis, left ear?

The ICD-10-CM code for bullous myringitis, left ear is H73.012 (sometimes written as H73012). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H73.012 (Bullous myringitis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report bullous myringitis, left ear on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H73.012 group to?

When bullous myringitis, left ear is the principal diagnosis on an inpatient stay, it groups to MS-DRG 152, 153, with relative weights from 0.7420 to 1.1147 depending on complications. Higher weights mean higher Medicare reimbursement.

Can H73.012 be reported with H65?

Not as a rule. The Excludes1 note at H73.0, which applies to H73.012, lists "acute myringitis with otitis media (H65, H66)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of H73.012?

Under the General Equivalence Mappings, bullous myringitis, left ear converts to ICD-9-CM 384.01 (bullous myringitis). The mapping is approximate, so confirm the match fits the documentation.