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V90.18XD vs W16

V90.18XD (Drowning and submersion due to other unpowered watercraft sinking, subsequent encounter) compared with W16 (Fall, jump or diving into water), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

V90.18XD
Drowning and submersion due to other unpowered watercraft sinking, subsequent encounter
↔
W16
Fall, jump or diving into water

Not coded here — these two are mutually exclusive.

“fall into water not from watercraft (W16.-)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. V90.18XD carries an Excludes1 note covering W16: “fall into water not from watercraft (W16.-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

V90.18XDDrowning and submersion due to other unpowered watercraft sinking, subsequent encounterW16Fall, jump or diving into water
Billing statusBillableNon-billable header

Report instead: W16.011A, W16.011D, W16.011S, W16.012A, W16.012D

ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionDrowning and submersion due to other unpowered watercraft sinking, subsequent encounter is a billable ICD-10-CM diagnosis code (V90.18D).Fall, jump or diving into water is a non-billable ICD-10-CM category code (W16).
7th characterThe appropriate 7th character is to be added to each code from category V90The appropriate 7th character is to be added to each code from category W16
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources