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H74.31

Non-billable

Ankylosis of ear ossicles

H74.31 is the ICD-10-CM code for Ankylosis of ear ossicles. It is a non-billable category code — use a more specific child code such as H74.311 for billing.

Status
Header (non-billable)
Chapter
H60-H95
Parent
H74.3
Subcodes
4
Edition
FY2026

H60-H95 Diseases of the ear and mastoid process

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code H74.31?
H74.31 is the ICD-10-CM code for "Ankylosis of ear ossicles". It falls under H60-H95 Diseases of the ear and mastoid process.
Is H74.31 a billable code?
No — H74.31 is a non-billable header code. Use a more specific child code (such as H74.311) for billing.
What are the subcodes of H74.31?
H74.31 has 4 more specific child codes, including H74.311, H74.312, H74.313.

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

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