ICD-10-CM > V00-Y99 > W50-W64 > W55 > W55.1 W55.1 Contact with horse Non-Billable/Non-Specific Codes W55.11Bitten by horseW55.11XA..., initial encounterW55.11XD..., subsequent encounterW55.11XS..., sequelaW55.12Struck by horseW55.12XA..., initial encounterW55.12XD..., subsequent encounterW55.12XS..., sequelaW55.19Other contact with horseW55.19XA..., initial encounterW55.19XD..., subsequent encounterW55.19XS..., sequela