ICD-10-CM > V00-Y99 > W20-W49 > W21 > W21.2 > W21.21 W21.21 Struck by hockey stick Non-Billable/Non-Specific Codes W21.210Struck by ice hockey stickW21.210A..., initial encounterW21.210D..., subsequent encounterW21.210S..., sequelaW21.211Struck by field hockey stickW21.211A..., initial encounterW21.211D..., subsequent encounterW21.211S..., sequela