ICD-10-CM > V00-Y99 > W50-W64 > W53 > W53.2 W53.2 Contact with squirrel Non-Billable/Non-Specific Codes W53.21Bitten by squirrelW53.21XA..., initial encounterW53.21XD..., subsequent encounterW53.21XS..., sequelaW53.29Other contact with squirrelW53.29XA..., initial encounterW53.29XD..., subsequent encounterW53.29XS..., sequela