MCMedicalCodingSoftware
Y04.2XXA

Y04.2XXA: Assault by strike against or bumped into by another person, initial encounter

Billable / specific codeICD-10-CM

Y04.2XXA is a billable, specific ICD-10-CM code for assault by strike against or bumped into by another person, initial encounter. It is valid for submission on a claim.

Check Y04.2XXA with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category Y04

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above Y04.2XXA

A category’s note binds every code beneath it.

Written on Y04: Assault by bodily force

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Y04.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.