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ICD-10-CM 2027

ICD-10 code for Costal cartilage sprain

S23.41

Sprain of ribs

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Sprain (joint) (ligament) › costal cartilage”. Page updated September 29, 2026.

About coding Costal cartilage sprain

The ICD-10-CM code for Costal cartilage sprain is S23.41 (Sprain of ribs).

Within S23.4 (sprain of ribs and sternum), S23.41 is specifically for sprain of ribs. Related codes cover sternum (S23.42).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Costal cartilage sprain ICD-10 codes

What is the ICD-10 code for Costal cartilage sprain?

S23.41 — Sprain of ribs (a header code; report a more specific subcode).

Is S23.41 billable?

No. S23.41 is a header code. Report one of its more specific subcodes instead.