V91.2 vs V93.34XA

V91.2 (Fall due to collision between watercraft and other watercraft or other object) compared with V93.34XA (Fall on board sailboat, initial encounter), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

V93.34XA

Fall on board sailboat, initial encounter

↔

V91.2

Fall due to collision between watercraft and other watercraft or other object

Not coded here — these two are mutually exclusive.

“fall due to collision of watercraft (V91.2-)”

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. V93.34XA carries an Excludes1 note covering V91.2: “fall due to collision of watercraft (V91.2-)”

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

	V91.2Fall due to collision between watercraft and other watercraft or other object	V93.34XAFall on board sailboat, initial encounter
Billing status	Non-billable header	Billable
Classification	V00-Y99 — External Causes of Morbidity (V00-Y99)	V00-Y99 — External Causes of Morbidity (V00-Y99)
Definition	Fall due to collision between watercraft and other watercraft or other object is a non-billable ICD-10-CM category code (V91.2).	Fall on board sailboat, initial encounter is a billable ICD-10-CM diagnosis code (V93.34A).
7th character	The appropriate 7th character is to be added to each code from category V91	The appropriate 7th character is to be added to each code from category V93
Includes	any injury except drowning and submersion as a result of an accident to watercraft Fall while remaining on watercraft after collision	—

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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