W21.4
W21.4: Striking against diving board
Non-billable headerICD-10-CM
W21.4 is a non-billable header ICD-10-CM code for striking against diving board. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category W21
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Use additional code
Add a secondary code to capture the detail described below.
- code for subsequent falling into water, if applicable (W16.-)
Other codes that can never be billed with W21.4
Their own Excludes1 notes name this code, so the conflict is not listed above.
- W20Struck by thrown, projected or falling object
- W20.8Other cause of strike by thrown, projected or falling object
- W20.8XXAOther cause of strike by thrown, projected or falling object, initial encounter
- W20.8XXDOther cause of strike by thrown, projected or falling object, subsequent encounter
- W20.8XXSOther cause of strike by thrown, projected or falling object, sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Striking against›diving board(swimming-pool)
- Fall, falling›into›water›hitting diving board
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead W21.4
3 child codes. Green means billable.