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S23.4

Non-billable

Sprain of ribs and sternum

S23.4 is the ICD-10-CM code for Sprain of ribs and sternum. It is a non-billable category code — use a more specific child code such as S23.41 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S23
Subcodes
2
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 S23.4?
S23.4 is the ICD-10-CM code for "Sprain of ribs and sternum". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S23.4 a billable code?
No — S23.4 is a non-billable header code. Use a more specific child code (such as S23.41) for billing.
What are the subcodes of S23.4?
S23.4 has 2 more specific child codes, including S23.41, S23.42.

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

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