H91.2

Non-billable

Sudden idiopathic hearing loss

H91.2 is the ICD-10-CM code for Sudden idiopathic hearing loss. It is a non-billable category code — use a more specific child code such as H91.20 for billing.

Status
Header (non-billable)
Chapter
H60-H95
Parent
H91
Subcodes
4
Edition
FY2026

H60-H95 Diseases of the ear and mastoid process

What this means — in plain language

MedlinePlus · NIH

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. What causes hearing loss? Some possibilities are: Heredity Diseases such as ear infections and meningitis Trauma Certain medicines Long-term exposure to loud noise Aging There are two main…

Read more about Hearing Disorders and Deafness at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Sudden hearing loss NOS

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code H91.2?
H91.2 is the ICD-10-CM code for "Sudden idiopathic hearing loss". It falls under H60-H95 Diseases of the ear and mastoid process.
Is H91.2 a billable code?
No — H91.2 is a non-billable header code. Use a more specific child code (such as H91.20) for billing.
What are the subcodes of H91.2?
H91.2 has 4 more specific child codes, including H91.20, H91.21, H91.22.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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