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S93.40

Non-billable

Sprain of unspecified ligament of ankle

S93.40 is the ICD-10-CM code for Sprain of unspecified ligament of ankle. It is a non-billable category code — use a more specific child code such as S93.401 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S93.4
Subcodes
3
Edition
FY2026

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

Includes

  • •Sprain of ankle NOS
  • •Sprained ankle NOS

Frequently asked questions

What is ICD-10 code S93.40?
S93.40 is the ICD-10-CM code for "Sprain of unspecified ligament of ankle". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S93.40 a billable code?
No — S93.40 is a non-billable header code. Use a more specific child code (such as S93.401) for billing.
What are the subcodes of S93.40?
S93.40 has 3 more specific child codes, including S93.401, S93.402, S93.409.

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

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