All ICD10 Codes
H91Not billable, use a more specific code below

Other and unspecified hearing loss

In Other disorders of ear (H90-H94), chapter 8: Diseases of the Ear and Mastoid Process

21 billable codes under H91: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

  • abnormal auditory perception (H93.2-)
  • hearing loss as classified in H90.-
  • impacted cerumen (H61.2-)
  • noise-induced hearing loss (H83.3-)
  • psychogenic deafness (F44.6)
  • transient ischemic deafness (H93.01-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 8 yet, so the general rules in Section I.B apply.

Read Section I.C.8 (page 49)

All codes under H91

H91 can't be used on a claim. Pick a billable code below; grey headings group them.

H91 MS-DRGs

As the principal diagnosis, all 21 billable codes under H91 group to MS-DRG 154, 155, or 156 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to H91

Notes on these codes point to H91.

  • F80.4 Code Also: type of hearing loss (H90.-, H91.-)
  • Z82.2 Includes: Conditions classifiable to H90-H91

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

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 more about hearing disorders and deafness on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.