S27.4 — Injury of bronchus
Is S27.4 billable?
No — S27.4 is a non-billable header code. S27.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 45 billable codes beneath S27.4.
Billable codes under this header
- S27.401AUnspecified injury of bronchus, unilateral, initial encounter
- S27.401DUnspecified injury of bronchus, unilateral, subsequent encounter
- S27.401SUnspecified injury of bronchus, unilateral, sequela
- S27.402AUnspecified injury of bronchus, bilateral, initial encounter
- S27.402DUnspecified injury of bronchus, bilateral, subsequent encounter
- S27.402SUnspecified injury of bronchus, bilateral, sequela
- S27.409AUnspecified injury of bronchus, unspecified, initial encounter
- S27.409DUnspecified injury of bronchus, unspecified, subsequent encounter
- S27.409SUnspecified injury of bronchus, unspecified, sequela
- S27.411APrimary blast injury of bronchus, unilateral, initial encounter
- S27.411DPrimary blast injury of bronchus, unilateral, subsequent encounter
- S27.411SPrimary blast injury of bronchus, unilateral, sequela
- S27.412APrimary blast injury of bronchus, bilateral, initial encounter
- S27.412DPrimary blast injury of bronchus, bilateral, subsequent encounter
- S27.412SPrimary blast injury of bronchus, bilateral, sequela
- S27.419APrimary blast injury of bronchus, unspecified, initial encounter
- S27.419DPrimary blast injury of bronchus, unspecified, subsequent encounter
- S27.419SPrimary blast injury of bronchus, unspecified, sequela
- S27.421AContusion of bronchus, unilateral, initial encounter
- S27.421DContusion of bronchus, unilateral, subsequent encounter
- S27.421SContusion of bronchus, unilateral, sequela
- S27.422AContusion of bronchus, bilateral, initial encounter
- S27.422DContusion of bronchus, bilateral, subsequent encounter
- S27.422SContusion of bronchus, bilateral, sequela
- S27.429AContusion of bronchus, unspecified, initial encounter
- S27.429DContusion of bronchus, unspecified, subsequent encounter
- S27.429SContusion of bronchus, unspecified, sequela
- S27.431ALaceration of bronchus, unilateral, initial encounter
- S27.431DLaceration of bronchus, unilateral, subsequent encounter
- S27.431SLaceration of bronchus, unilateral, sequela
- S27.432ALaceration of bronchus, bilateral, initial encounter
- S27.432DLaceration of bronchus, bilateral, subsequent encounter
- S27.432SLaceration of bronchus, bilateral, sequela
- S27.439ALaceration of bronchus, unspecified, initial encounter
- S27.439DLaceration of bronchus, unspecified, subsequent encounter
- S27.439SLaceration of bronchus, unspecified, sequela
- S27.491AOther injury of bronchus, unilateral, initial encounter
- S27.491DOther injury of bronchus, unilateral, subsequent encounter
- S27.491SOther injury of bronchus, unilateral, sequela
- S27.492AOther injury of bronchus, bilateral, initial encounter
- S27.492DOther injury of bronchus, bilateral, subsequent encounter
- S27.492SOther injury of bronchus, bilateral, sequela
- S27.499AOther injury of bronchus, unspecified, initial encounter
- S27.499DOther injury of bronchus, unspecified, subsequent encounter
- S27.499SOther injury of bronchus, unspecified, sequela
S27.4 at a glance
| Code | S27.4 |
|---|---|
| Description | Injury of bronchus |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from Chapter 19
Report an additional code alongside S27.4 to fully describe the condition. S27.4 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S27.4, but a patient may have both at the same time. When documentation supports it, S27.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S27.4, but a patient may have both at the same time. When documentation supports it, S27.4 and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in bronchus (T17.5)
- effects of foreign body in esophagus (T18.1)
- effects of foreign body in lung (T17.8)
- effects of foreign body in trachea (T17.4)
- frostbite (T33-T34)
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- insect bite or sting, venomous (T63.4)
Excludes2 — not included here — inherited from S27
The conditions below are not part of S27.4, but a patient may have both at the same time. When documentation supports it, S27.4 and the excluded code may both be reported.
Code also — inherited from S27
Two codes may be needed to describe the condition fully. Whether S27.4 is sequenced first depends on the reason for the encounter.
- any associated open wound of thorax (S21.-)
What codes fall under S27.4? (5)
How long has S27.4 existed?
S27.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the S27 family? (8)
- S27.0Traumatic pneumothoraxnot billable
- S27.1Traumatic hemothoraxnot billable
- S27.2Traumatic hemopneumothoraxnot billable
- S27.3Other and unspecified injuries of lungnot billable
- S27.5Injury of thoracic tracheanot billable
- S27.6Injury of pleuranot billable
- S27.8Injury of other specified intrathoracic organsnot billable
- S27.9Injury of unspecified intrathoracic organnot billable