W16.221A Fall in (into) bucket of water causing drowning and submersion, initial encounter

Billable ICD-10-CM code, FY2026.

Built from W16.221 with 7th character A (initial encounter).

Applies from W16 Fall, jump or diving into water

Excludes1 (never code together)

• 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 (not included here)

• striking or hitting diving board (W21.4)

7th character note

• The appropriate 7th character is to be added to each code from category W16

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to W16.221A

Back-references to W16

• Type 1 Excludes: V90 Drowning and submersion due to accident to watercraft ("fall into water not from watercraft (W16.-)")
• Type 1 Excludes: V92 Drowning and submersion due to accident on board watercraft, without accident to watercraft ("fall into water without watercraft (W16.-)")
• Use Additional: W21.4 Striking against diving board ("code for subsequent falling into water, if applicable (W16.-)")

Diagnosis Index entries for W16.221A

• Drowning (accidental) › following › fall › into › bucket
• Fall, falling (accidental) › into › water › in › bucket › causing drowning
• Fall, falling (accidental) › into › water › in › utility bucket › causing drowning

Nearby codes

• W16.212A Fall in (into) filled bathtub causing other injury, initial encounter
• W16.212D Fall in (into) filled bathtub causing other injury, subsequent encounter
• W16.212S Fall in (into) filled bathtub causing other injury, sequela
• W16.22 Fall in (into) bucket of water
• W16.221 Fall in (into) bucket of water causing drowning and submersion
• W16.221A Fall in (into) bucket of water causing drowning and submersion, initial encounter (this code)
• W16.221D Fall in (into) bucket of water causing drowning and submersion, subsequent encounter
• W16.221S Fall in (into) bucket of water causing drowning and submersion, sequela
• W16.222 Fall in (into) bucket of water causing other injury
• W16.222A Fall in (into) bucket of water causing other injury, initial encounter
• W16.222D Fall in (into) bucket of water causing other injury, subsequent encounter