ICD-10-CM › V00-Y99 › W20-W49 › W21 Striking against or struck by... › W21.4
Striking against diving board
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
- W21.4XXA Striking against diving board, initial encounter
- W21.4XXD Striking against diving board, subsequent encounter
- W21.4XXS Striking against diving board, sequela
This code requires a seventh character. See the rule below.
What has happened to this code
Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2014 Added to the draft code set draft Striking against diving board
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from W21 Striking against or struck by sports equipment
Seventh character required
- The appropriate 7th character is to be added to each code from category W21
Excludes1 - never coded here
- assault with sports equipment (Y08.0-)
- striking against or struck by sports equipment with subsequent fall (W18.01)
Inherited from the W20-W49 section Exposure to inanimate mechanical forces (W20-W49)
Excludes1 - never coded here
- assault (X92-Y09)
- contact or collision with animals or persons (W50-W64)
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
- intentional self-harm (X71-X83)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Diving
- Hitting against
- Accident > diving
- Fall, falling > into > lake
- Fall, falling > into > pond
- Broken > glass, contact with
- Fall, falling > into > ocean
- Fall, falling > into > river
- Fall, falling > into > stream
- Striking against > wall > falling into water > fountain
- Striking against > wall > falling into water > reservoir
- Striking against > diving board
- Fall, falling > into > water > hitting diving board
Codes in the same group
| Code | Description | Status |
|---|---|---|
| W21.0 | Struck by hit or thrown ball | Not billable |
| W21.1 | Struck by bat, racquet or club | Not billable |
| W21.2 | Struck by hockey stick or puck | Not billable |
| W21.3 | Struck by sports foot wear | Not billable |
| W21.8 | Striking against or struck by other sports equipment | Not billable |
| W21.9 | Striking against or struck by unspecified sports equipment | Not billable |