S25.429A Major laceration of unspecified pulmonary blood vessels, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S25.429 with 7th character A (initial encounter).

Applies from S25 Injury of blood vessels of thorax

Code also

• any associated open wound (S21.-)

7th character note

• The appropriate 7th character is to be added to each code from category S25

7th character required

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

Applies from S25.42 Major laceration of pulmonary blood vessels

Applicable to

• Complete transection of pulmonary blood vessels
• Traumatic rupture of pulmonary blood vessels

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Nearby codes

• S25.422 Major laceration of left pulmonary blood vessels
• S25.422A Major laceration of left pulmonary blood vessels, initial encounter
• S25.422D Major laceration of left pulmonary blood vessels, subsequent encounter
• S25.422S Major laceration of left pulmonary blood vessels, sequela
• S25.429 Major laceration of unspecified pulmonary blood vessels
• S25.429A Major laceration of unspecified pulmonary blood vessels, initial encounter (this code)
• S25.429D Major laceration of unspecified pulmonary blood vessels, subsequent encounter
• S25.429S Major laceration of unspecified pulmonary blood vessels, sequela
• S25.49 Other specified injury of pulmonary blood vessels
• S25.491 Other specified injury of right pulmonary blood vessels
• S25.491A Other specified injury of right pulmonary blood vessels, initial encounter