ICD-10-CM > S00-T88 > S80-S89 > S85 > S85.1 > S85.17 S85.17 Laceration of posterior tibial artery Non-Billable/Non-Specific Codes S85.171Laceration of posterior tibial artery, right legS85.171A..., initial encounterS85.171D..., subsequent encounterS85.171S..., sequelaS85.172Laceration of posterior tibial artery, left legS85.172A..., initial encounterS85.172D..., subsequent encounterS85.172S..., sequelaS85.179Laceration of posterior tibial artery, unspecified legS85.179A..., initial encounterS85.179D..., subsequent encounterS85.179S..., sequela