V90.83XA vs Y36.0

V90.83XA (Drowning and submersion due to other accident to other powered watercraft, initial encounter) compared with Y36.0 (War operations involving explosion of marine weapons), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1. MedCoder-derived

Relationship

Conflict

Excludes1 conflict

V90.83XA

Drowning and submersion due to other accident to other powered watercraft, initial encounter

↔

Y36.0

War operations involving explosion of marine weapons

Not coded here — these two are mutually exclusive.

“military watercraft accident in military or war operations (Y36.0-, Y37.0-)”

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. V90.83XA carries an Excludes1 note covering Y36.0: “military watercraft accident in military or war operations (Y36.0-, Y37.0-)”

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

	V90.83XADrowning and submersion due to other accident to other powered watercraft, initial encounter	Y36.0War operations involving explosion of marine weapons
Billing status	Billable	Non-billable header Report instead: Y36.000A, Y36.000D, Y36.000S, Y36.001A, Y36.001D
Classification	V00-Y99 — External Causes of Morbidity (V00-Y99)	V00-Y99 — External Causes of Morbidity (V00-Y99)
Definition	Drowning and submersion due to other accident to other powered watercraft, initial encounter is a billable ICD-10-CM diagnosis code (V90.83A).	War operations involving explosion of marine weapons is a non-billable ICD-10-CM category code (Y36.0).
7th character	The appropriate 7th character is to be added to each code from category V90	The appropriate 7th character is to be added to each code from category Y36
Includes	Drowning and submersion due to other accident to Hovercraft (on open water) Drowning and submersion due to other accident to Jet ski	injuries to military personnel and civilians caused by war, civil insurrection, and peacekeeping missions

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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