H74
Non-billableOther disorders of middle ear mastoid
H74 is the ICD-10-CM code for Other disorders of middle ear mastoid. It is a non-billable category code — use a more specific child code such as H74.0 for billing.
- Status
- Header (non-billable)
- Chapter
- H60-H95
- Subcodes
- 7
- Edition
- FY2026
H60-H95 Diseases of the ear and mastoid process
What this means — in plain language
MedlinePlus · NIHYour 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. The vibrations travel to your inner ear, a snail-shaped organ. The inner ear makes the nerve impulses that are sent to the…
Read more about Ear Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •mastoiditis (H70.-)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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