2026 ICD-10-CM Diagnosis Code H93.91Unspecified disorder of right ear

ICD-10-CM Codes›H60–H95›H90-H94›H93

ICD-10-CM H93.91
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H93.91 is a billable ICD-10-CM diagnosis code for unspecified disorder of right 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. The code is not accepted as a principal diagnosis by the Medicare Code Editor. Coders also document this condition as disorder of right 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
H93.91
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified disorder of right ear
Short Description
Unspecified disorder of right ear
Same as the full description in the CMS dataset.
Parent Code
H93.9
Unspecified disorder of ear

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH90-H94Other disorders of ear
CategoryH93Other disorders of ear, not elsewhere classified
This CodeH93.91Unspecified disorder of right ear

Code EditsBilling

Medicare Code Editor checks that affect claim validity for H93.91.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of right ear
  • Lesion of right ear

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 No · outpatient Yes

Patient EducationClinical

Ear Disorders

Your ear has three main parts: outer, middle and inner. You use all of them in hearing. Sound waves come in through your outer ear. They reach your middle ear, where they make your eardrum vibrate. The vibrations are transmitted through three tiny bones, called ossicles, in your middle ear.

Read the full article at MedlinePlus

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

Convert H93.91 to ICD-9-CMHistory

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

ICD-9-CM
388.9 Disorder of ear NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
V41.3 Ear problems 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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About H93.91Overview

Is H93.91 (Unspecified disorder of ear) a billable code?

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

What MS-DRG does H93.91 group to?

On inpatient claims, unspecified disorder of right ear maps to MS-DRG 154, 155, 156, with relative weights from 0.6911 to 1.5635 depending on complications. Higher weights mean higher Medicare reimbursement.

Can H93.91 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because unspecified disorder of right ear describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

What is the ICD-9 equivalent of H93.91?

Under the General Equivalence Mappings, unspecified disorder of right ear converts to ICD-9-CM 388.9 (disorder of ear NOS) and V41.3 (ear problems NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.