In simple words: Falling into a bathtub that is filled with water.

Fall in (into) filled bathtub. Excludes1: fall into empty bathtub (W18.2). Parent Code Notes: W16 Excludes1: accidental non-watercraft drowning and submersion not involving fall (W65-W74) effects of air pressure from diving (W94.-) fall into water from watercraft (V90-V94) hitting an object or against bottom when falling from watercraft (V94.0) Excludes2: striking or hitting diving board (W21.4)

Example 1: A patient slipped while getting into a filled bathtub at home, resulting in a fractured wrist., A child fell into a filled bathtub while playing and sustained a minor head injury., An elderly individual lost their balance while bathing in a filled bathtub, leading to a hip fracture.

Documentation should include the circumstances of the fall, the location (filled bathtub), and the specific injuries sustained.

** This code describes the cause of the injury, not the injury itself. Always use an additional code to describe the specific injury or condition that resulted from the fall.This code specifically refers to a fall into a *filled* bathtub. If the bathtub was empty, use W18.2.