ICD-10-CM > S00-T88 > S20-S29 > S25 > S25.4 > S25.40 S25.40 Unspecified injury of pulmonary blood vessels Non-Billable/Non-Specific Codes S25.401Unspecified injury of right pulmonary blood vesselsS25.401A..., initial encounterS25.401D..., subsequent encounterS25.401S..., sequelaS25.402Unspecified injury of left pulmonary blood vesselsS25.402A..., initial encounterS25.402D..., subsequent encounterS25.402S..., sequelaS25.409Unspecified injury of unspecified pulmonary blood vesselsS25.409A..., initial encounterS25.409D..., subsequent encounterS25.409S..., sequela