ICD-10-CM › V00-Y99 › W20-W49 › W22.04 Striking against wall of swimming pool › W22.042

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

• W22.042A Striking against wall of swimming pool causing other injury, initial encounter
• W22.042D Striking against wall of swimming pool causing other injury, subsequent encounter
• W22.042S Striking against wall of swimming pool causing other injury, sequela

This code requires a seventh character. See the rule below.

What has happened to this code

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 W22 Striking against or struck by other objects

Seventh character required

• The appropriate 7th character is to be added to each code from category W22

Excludes1 - never coded here

• striking against or struck by object with subsequent fall (W18.09)

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.

• Hitting against
• Striking against > wall > falling into water > fountain
• Striking against > wall > falling into water > reservoir
• Striking against > wall > swimming pool

Codes in the same group

Code	Description	Status
W22.041	Striking against wall of swimming pool causing drowning and submersion	Not billable