S09.302
Non-billableUnspecified injury of left middle and inner ear
S09.302 is the ICD-10-CM code for Unspecified injury of left middle and inner ear. It is a non-billable category code — use a more specific child code such as S09.302A for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
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.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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