ICD-10-CM > S00-T88 > S80-S89 > S81 > S81.8 > S81.80 S81.80 Unspecified open wound of lower leg Non-Billable/Non-Specific Codes S81.801Unspecified open wound, right lower legS81.801A..., initial encounterS81.801D..., subsequent encounterS81.801S..., sequelaS81.802Unspecified open wound, left lower legS81.802A..., initial encounterS81.802D..., subsequent encounterS81.802S..., sequelaS81.809Unspecified open wound, unspecified lower legS81.809A..., initial encounterS81.809D..., subsequent encounterS81.809S..., sequela