S84

Non-billable

Injury of nerves at lower leg level

S84 is the ICD-10-CM code for Injury of nerves at lower leg level. It is a non-billable category code — use a more specific child code such as S84.0 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Subcodes
5
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

Your 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.

Excludes2 — not included here

  • injury of nerves at ankle and foot level (S94.-)

Notes

  • any associated open wound (S81.-)

Frequently asked questions

What is ICD-10 code S84?
S84 is the ICD-10-CM code for "Injury of nerves at lower leg level". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S84 a billable code?
No — S84 is a non-billable header code. Use a more specific child code (such as S84.0) for billing.
What are the subcodes of S84?
S84 has 5 more specific child codes, including S84.0, S84.1, S84.2.

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

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