W21.221A Struck by field hockey puck, initial encounter

Billable ICD-10-CM code, FY2026.

Built from W21.221 with 7th character A (initial encounter).

Applies from W21 Striking against or struck by sports equipment

Excludes1 (never code together)

• assault with sports equipment (Y08.0-)
• striking against or struck by sports equipment with subsequent fall (W18.01)

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to W21.221A

Back-references to W21

• Type 1 Excludes: W20 Struck by thrown, projected or falling object ("struck by thrown sports equipment (W21.-)")
• Type 1 Excludes: W20.8 Other cause of strike by thrown, projected or falling object ("struck by thrown sports equipment (W21.-)")
• Type 2 Excludes: W45 Foreign body or object entering through skin ("struck by objects (W20-W22)")
• Type 1 Excludes: W50 Accidental hit, strike, kick, twist, bite or scratch by another person ("struck by objects (W20-W22)")

Diagnosis Index entries for W21.221A

• Struck (accidentally) by › hockey (ice) › field › puck
• Struck (accidentally) by › object › projected › in sports › hockey (ice) › field › puck
• Struck (accidentally) by › object › thrown › in sports › hockey (ice) › field › puck
• Struck (accidentally) by › sports equipment › hockey (ice) › field › puck

Nearby codes

• W21.220 Struck by ice hockey puck
• W21.220A Struck by ice hockey puck, initial encounter
• W21.220D Struck by ice hockey puck, subsequent encounter
• W21.220S Struck by ice hockey puck, sequela
• W21.221 Struck by field hockey puck
• W21.221A Struck by field hockey puck, initial encounter (this code)
• W21.221D Struck by field hockey puck, subsequent encounter
• W21.221S Struck by field hockey puck, sequela
• W21.3 Struck by sports foot wear
• W21.31 Struck by shoe cleats
• W21.31XA Struck by shoe cleats, initial encounter