W21.81D✓ Billable
Striking against or struck by football helmet, subsequent encounter
Striking against or struck by football helmet, subsequent en…
Code Hierarchy
┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W21Striking against or struck by sports equipment
└W21.81DStriking against or struck by football helmet, subsequent en…
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