2026 ICD-10-CM Diagnosis Code H60.40Cholesteatoma of external ear, unspecified ear

ICD-10-CM Codes›H60–H95›H60-H62›H60

ICD-10-CM H60.40
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H60.40 is a billable ICD-10-CM diagnosis code for cholesteatoma of external ear, unspecified ear. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 154 through 156. Coders also document this condition as cholesteatoma of external ear. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified disorders of the ear.

Code Identity

ICD-10-CM Code
H60.40
Billable Status
Yes — Valid for Submission
Code Describes
Cholesteatoma of external ear, unspecified ear
Short Description
Cholesteatoma of external ear, unspecified ear
Same as the full description in the CMS dataset.
Parent Code
H60.4
Cholesteatoma of external ear

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH60-H62Diseases of external ear
CategoryH60Otitis externa
This CodeH60.40Cholesteatoma of external ear, unspecified ear

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cholesteatoma of external ear
  • Keratosis obturans of external ear canal

Clinical ClassificationClinical

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

CCSR EAR006
Other specified and unspecified disorders of the ear
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Ear Infections

Ear infections are the most common reason parents bring their child to a doctor. Three out of four children will have at least one ear infection by their third birthday. Adults can also get ear infections, but they are less common.

Read the full article at MedlinePlus

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

Convert H60.40 to ICD-9-CMHistory

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

ICD-9-CM
380.21 Cholesteatoma extern ear
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About H60.40Overview

Is H60.40 (Cholesteatoma of external ear) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report cholesteatoma of external ear, unspecified ear on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H60.40 group to?

When cholesteatoma of external ear, unspecified ear is the principal diagnosis on an inpatient stay, it groups to MS-DRG 154, 155, 156, with relative weights from 0.6911 to 1.5635 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H60.40?

Under the General Equivalence Mappings, cholesteatoma of external ear, unspecified ear converts to ICD-9-CM 380.21 (cholesteatoma extern ear). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.