W21.81⚠ Requires 7th Character

Striking against or struck by football helmet

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category W21

This code is not valid for billing without a 7th character. Append one of the following to W21.81:

Ainitial encounterW21.81XADsubsequent encounterW21.81XDSsequelaW21.81XS

Sub-codes of W21.81(3)

W21.81 is a non-billable header. Select a sub-code to bill.

W21.81AStriking against or struck by football helmet, initial encou…✓ BillableW21.81DStriking against or struck by football helmet, subsequent en…✓ BillableW21.81SStriking against or struck by football helmet, sequela✓ Billable

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W21Striking against or struck by sports equipment
└W21.81Striking against or struck by football helmet

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