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S84.9

Non-billable

Injury of unspecified nerve at lower leg level

S84.9 is the ICD-10-CM code for Injury of unspecified nerve at lower leg level. It is a non-billable category code — use a more specific child code such as S84.90 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S84
Subcodes
3
Edition
FY2026

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code S84.9?
S84.9 is the ICD-10-CM code for "Injury of unspecified nerve at lower leg level". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S84.9 a billable code?
No — S84.9 is a non-billable header code. Use a more specific child code (such as S84.90) for billing.
What are the subcodes of S84.9?
S84.9 has 3 more specific child codes, including S84.90, S84.91, S84.92.

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

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