W21.4 Striking against diving board

Non-billable ICD-10-CM code.

Use additional code

• code for subsequent falling into water, if applicable (W16.-)

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 W21.4

Back-references to W21.4

• Type 2 Excludes: W16 Fall, jump or diving into water ("striking or hitting diving board (W21.4)")

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 W21.4

• Fall, falling (accidental) › into › water › hitting diving board
• Striking against › diving board (swimming-pool)

Nearby codes

• W21.32XS Struck by skate blades, sequela
• W21.39 Struck by other sports foot wear
• W21.39XA Struck by other sports foot wear, initial encounter
• W21.39XD Struck by other sports foot wear, subsequent encounter
• W21.39XS Struck by other sports foot wear, sequela
• W21.4 Striking against diving board (this code)
• W21.4XXA Striking against diving board, initial encounter
• W21.4XXD Striking against diving board, subsequent encounter
• W21.4XXS Striking against diving board, sequela
• W21.8 Striking against or struck by other sports equipment
• W21.81 Striking against or struck by football helmet