ICD-10-CM > S00-T88 > S80-S89 > S85 > S85.1 > S85.18 > S85.181 S85.181 Other specified injury of posterior tibial artery, right leg Non-Billable/Non-Specific Codes S85.181A..., initial encounterS85.181D..., subsequent encounterS85.181S..., sequela