S20.344SBillable

External constriction of middle front wall of thorax, sequela

Short description: External constrict of middle front wall of thorax, sequela

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S20
Effective date
October 1, 2026

Related codes in category S20

Frequently asked questions

What is ICD-10 code S20.344S?

S20.344S is an ICD-10-CM diagnosis code for External constriction of middle front wall of thorax, sequela.

Is S20.344S a billable code?

Yes. S20.344S is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is S20.344S in?

S20.344S falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S20.344S become effective?

S20.344S has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S20.344S?

S20.344S belongs to category S20, 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.