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S27.4

S27.4: Injury of bronchus

Non-billable headerICD-10-CM

S27.4 is a non-billable header ICD-10-CM code for injury of bronchus. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category S27

A
initial encounter
D
subsequent encounter
S
sequela

Excludes2 inherited from the categories above S27.4

Not part of this code, but both may be coded when both are present.

Written on S27: Injury of other and unspecified intrathoracic organs

  • injury of cervical esophagus (S10-S19)
  • injury of trachea (cervical) (S10-S19)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S27.4

5 child codes. Green means billable.

Other codes under S27

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.