Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes S00-T88 – Injury, poisoning and certain other consequences of external causes (S00-T88) > 2024 ICD-10-CM Codes S80-S89 – Injuries to the knee and lower leg (S80-S89) > 2024 ICD-10-CM Codes S81 – Open wound of knee and lower leg (S81) > 2024 ICD-10-CM Codes S81.0 – Open wound of knee (S81.0) > 2024 ICD-10-CM Codes S81.00 – Unspecified open wound of knee (S81.00)