S23.9XXABillable

Sprain of unspecified parts of thorax, initial encounter

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S23
Effective date
October 1, 2026

Related codes in category S23

Frequently asked questions

What is ICD-10 code S23.9XXA?

S23.9XXA is an ICD-10-CM diagnosis code for Sprain of unspecified parts of thorax, initial encounter.

Is S23.9XXA a billable code?

Yes. S23.9XXA is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is S23.9XXA in?

S23.9XXA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S23.9XXA become effective?

S23.9XXA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S23.9XXA?

S23.9XXA belongs to category S23, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.