S86.399
Non-billableOther injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, unspecified leg
S86.399 is the ICD-10-CM code for Other injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, unspecified leg. It is a non-billable category code — use a more specific child code such as S86.399A for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHYour legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains , joint dislocations , and fractures (broken bones). These injuries can affect the entire leg, or just the foot , ankle , knee , or hip . Certain diseases also lead…
Read more about Leg Injuries and 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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