ICD-10-CM > S00-T88 > T80-T88 > T87 > T87.4 T87.4 Infection of amputation stump Non-Billable/Non-Specific Codes T87.40Infection of amputation stump, unspecified extremityT87.41Infection of amputation stump, right upper extremityT87.42Infection of amputation stump, left upper extremityT87.43Infection of amputation stump, right lower extremityT87.44Infection of amputation stump, left lower extremity