S27.491Header code — not billable

Other injury of bronchus, unilateral

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S27
Effective date
October 1, 2026

Related codes in category S27

Frequently asked questions

What is ICD-10 code S27.491?

S27.491 is an ICD-10-CM diagnosis code for Other injury of bronchus, unilateral.

Is S27.491 a billable code?

No. S27.491 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is S27.491 in?

S27.491 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S27.491 become effective?

S27.491 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S27.491?

S27.491 belongs to category S27, 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.