W18.49XD vs Y02

W18.49XD (Other slipping, tripping and stumbling without falling, subsequent encounter) compared with Y02 (Assault by pushing or placing victim in front of moving object), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

W18.49XD

Other slipping, tripping and stumbling without falling, subsequent encounter

↔

Y02

Assault by pushing or placing victim in front of moving object

Not coded here — these two are mutually exclusive.

“assault involving a fall (Y01-Y02)”

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. W18.49XD carries an Excludes1 note covering Y02: “assault involving a fall (Y01-Y02)”

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

	W18.49XDOther slipping, tripping and stumbling without falling, subsequent encounter	Y02Assault by pushing or placing victim in front of moving object
Billing status	Billable	Non-billable header Report instead: Y02.0XXA, Y02.0XXD, Y02.0XXS, Y02.1XXA, Y02.1XXD
Classification	V00-Y99 — External Causes of Morbidity (V00-Y99)	V00-Y99 — External Causes of Morbidity (V00-Y99)
Definition	Other slipping, tripping and stumbling without falling, subsequent encounter is a billable ICD-10-CM diagnosis code (W18.49D).	Assault by pushing or placing victim in front of moving object is a non-billable ICD-10-CM category code (Y02).
7th character	The appropriate 7th character is to be added to each code from category W18	The appropriate 7th character is to be added to each code from category Y02
Includes	—	homicide injuries inflicted by another person with intent to injure or kill, by any means

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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