S25.409A Unspecified injury of unspecified pulmonary blood vessels, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S25.409 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

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

• S25.402 Unspecified injury of left pulmonary blood vessels
• S25.402A Unspecified injury of left pulmonary blood vessels, initial encounter
• S25.402D Unspecified injury of left pulmonary blood vessels, subsequent encounter
• S25.402S Unspecified injury of left pulmonary blood vessels, sequela
• S25.409 Unspecified injury of unspecified pulmonary blood vessels
• S25.409A Unspecified injury of unspecified pulmonary blood vessels, initial encounter (this code)
• S25.409D Unspecified injury of unspecified pulmonary blood vessels, subsequent encounter
• S25.409S Unspecified injury of unspecified pulmonary blood vessels, sequela
• S25.41 Minor laceration of pulmonary blood vessels
• S25.411 Minor laceration of right pulmonary blood vessels
• S25.411A Minor laceration of right pulmonary blood vessels, initial encounter