ICD-10-CM > V00-Y99 > W20-W49 > W21 > W21.0 W21.0 Struck by hit or thrown ball Non-Billable/Non-Specific Codes W21.00Struck by hit or thrown ball, unspecified typeW21.00XA..., initial encounterW21.00XD..., subsequent encounterW21.00XS..., sequelaW21.01Struck by footballW21.01XA..., initial encounterW21.01XD..., subsequent encounterW21.01XS..., sequelaW21.02Struck by soccer ballW21.02XA..., initial encounterW21.02XD..., subsequent encounterW21.02XS..., sequelaW21.03Struck by baseballW21.03XA..., initial encounterW21.03XD..., subsequent encounterW21.03XS..., sequelaW21.04Struck by golf ballW21.04XA..., initial encounterW21.04XD..., subsequent encounterW21.04XS..., sequelaW21.05Struck by basketballW21.05XA..., initial encounterW21.05XD..., subsequent encounterW21.05XS..., sequelaW21.06Struck by volleyballW21.06XA..., initial encounterW21.06XD..., subsequent encounterW21.06XS..., sequelaW21.07Struck by softballW21.07XA..., initial encounterW21.07XD..., subsequent encounterW21.07XS..., sequelaW21.09Struck by other hit or thrown ballW21.09XA..., initial encounterW21.09XD..., subsequent encounterW21.09XS..., sequela