2027 ICD-10-CM Diagnosis Code H74.12Adhesive left middle ear disease

ICD-10-CM Codes›H60–H95›H65-H75›H74

ICD-10-CM H74.12
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H74.12 is a billable ICD-10-CM diagnosis code for adhesive left middle ear disease. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 154 through 156. Coders also document this condition as adhesive middle ear disease. 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
H74.12
Billable Status
Yes — Valid for Submission
Code Describes
Adhesive left middle ear disease
Short Description
Adhesive left middle ear disease
Same as the full description in the CMS dataset.
Parent Code
H74.1
Adhesive middle ear disease

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH65-H75Diseases of middle ear and mastoid
CategoryH74Other disorders of middle ear mastoid
This CodeH74.12Adhesive left middle ear disease

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adhesive middle ear disease
  • Adhesive otitis media of left middle ear

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H74.12: its own notes plus those printed at H74.1, H74, 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 H74.1 Adhesive middle ear disease applies to 4 codes

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 H74 Other disorders of middle ear mastoid applies to 36 codes
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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name H74.12, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming H74.12: they are not reported together with it, unless the two conditions are unrelated.

  • H65.3 Chronic mucoid otitis media
    adhesive middle ear disease (H74.1) names H74.1, which includes this code

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

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 H74.12 to ICD-9-CMHistory

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

ICD-9-CM
385.10 Adhesive mid ear dis NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
385.11 Adhesion tympanum-incus
Approximate The match is approximate rather than exact.
ICD-9-CM
385.12 Adhesion tympanum-stapes
Approximate The match is approximate rather than exact.
ICD-9-CM
385.13 Adhesion tymp-promontor
Approximate The match is approximate rather than exact.
ICD-9-CM
385.19 Adhesive mid ear dis NEC
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 H74.12Overview

What is the ICD-10 code for adhesive left middle ear disease?

The ICD-10-CM code for adhesive left middle ear disease is H74.12 (sometimes written as H7412). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H74.12 (Adhesive middle ear disease) a billable code?

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

What MS-DRG does H74.12 group to?

When adhesive left middle ear disease is the principal diagnosis on an inpatient stay, it groups to MS-DRG 156, 155, 154, with relative weights from 0.6656 to 1.5916 depending on complications. Higher weights mean higher Medicare reimbursement.

Can H74.12 be reported with a code from H65.3?

Not as a rule. The Excludes1 note at H74.1, which applies to H74.12, lists "glue ear (H65.3-)". 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 H74.12?

Under the General Equivalence Mappings, adhesive left middle ear disease converts to ICD-9-CM 385.10 (adhesive mid ear dis NOS), 385.11 (adhesion tympanum-incus), and 385.12 (adhesion tympanum-stapes). The mapping is approximate, so confirm the match fits the documentation.