2026 ICD-10-CM Diagnosis Code H91.93Unspecified hearing loss, bilateral

ICD-10-CM Codes›H60–H95›H90-H94›H91

ICD-10-CM H91.93
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H91.93 is a billable ICD-10-CM diagnosis code for unspecified hearing loss, bilateral. 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 bilateral deafness. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Hearing loss.

Code Identity

ICD-10-CM Code
H91.93
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified hearing loss, bilateral
Short Description
Unspecified hearing loss, bilateral
Same as the full description in the CMS dataset.
Parent Code
H91.9
Unspecified hearing loss

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH90-H94Other disorders of ear
CategoryH91Other and unspecified hearing loss
This CodeH91.93Unspecified hearing loss, bilateral

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bilateral deafness
  • Bilateral hearing loss
  • Blind left eye
  • Blind right eye
  • Blindness - both eyes
  • Combined visual and hearing impairment
  • Complete deafness
  • Total visual and total hearing impairment

Clinical ClassificationClinical

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

CCSR EAR004
Hearing loss
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Bilateral Deafness

    partial or total inability to hear sounds in both ears.

Patient EducationClinical

Hearing Disorders and Deafness

It's frustrating to be unable to hear well enough to enjoy talking with friends or family. Hearing disorders make it hard, but not impossible, to hear. They can often be helped. Deafness can keep you from hearing sound at all.

Read the full article at MedlinePlus

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

Convert H91.93 to ICD-9-CMHistory

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

ICD-9-CM
389.9 Hearing loss NOS
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 H91.93Overview

Is H91.93 (Unspecified hearing loss) a billable code?

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

What MS-DRG does H91.93 group to?

When unspecified hearing loss, bilateral 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 H91.93?

Under the General Equivalence Mappings, unspecified hearing loss, bilateral converts to ICD-9-CM 389.9 (hearing loss NOS). 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.