S27.431A Laceration of bronchus, unilateral, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S27.431 with 7th character A (initial encounter).

Applies from S27 Injury of other and unspecified intrathoracic organs

Excludes2 (not included here)

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

Code also

• any associated open wound of thorax (S21.-)

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to S27.431A

Back-references to S27

• Code Also: S21 Open wound of thorax ("injury of intrathoracic organs (S27.-)")
• Code Also: S22 Fracture of rib(s), sternum and thoracic spine ("injury of intrathoracic organ (S27.-)")

Diagnosis Index entries for S27.431A

• Injury › intrathoracic › bronchus › laceration › unilateral

Nearby codes

• S27.429A Contusion of bronchus, unspecified, initial encounter
• S27.429D Contusion of bronchus, unspecified, subsequent encounter
• S27.429S Contusion of bronchus, unspecified, sequela
• S27.43 Laceration of bronchus
• S27.431 Laceration of bronchus, unilateral
• S27.431A Laceration of bronchus, unilateral, initial encounter (this code)
• S27.431D Laceration of bronchus, unilateral, subsequent encounter
• S27.431S Laceration of bronchus, unilateral, sequela
• S27.432 Laceration of bronchus, bilateral
• S27.432A Laceration of bronchus, bilateral, initial encounter
• S27.432D Laceration of bronchus, bilateral, subsequent encounter