S09.1
Non-billableInjury of muscle and tendon of head
S09.1 is the ICD-10-CM code for Injury of muscle and tendon of head. It is a non-billable category code — use a more specific child code such as S09.10 for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHChances are you've bumped your head before. Often, the injury is minor because your skull is hard and it protects your brain. But other head injuries can be more severe, such as a skull fracture, concussion , or traumatic brain injury . Head injuries can be open or closed. A closed injury does not break through the skull. With an open, or penetrating, injury, an object pierces the skull and enters the brain. Closed…
Read more about Head Injuries at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •sprain to joints and ligament of head (S03.9)
Notes
- •any associated open wound (S01.-)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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