Is ICD-10-CM code Y04 billable?

No, Y04 (Assault by bodily force) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code Y04 belong to?

Y04 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

Y04

Non-Billable

ChapterV00–Y99

Rankcategory

Description

Assault by bodily force

About ICD-10-CM code Y04

Under V00-Y99 External Causes of Morbidity, within Assault (X92-Y09), ICD-10-CM code Y04 describes Assault by bodily force. This code cannot be billed directly because more specific child codes exist beneath it.

Use a more specific code (4 billable)

Y04.0Assault by unarmed brawl or fight Y04.1Assault by human bite Y04.2Assault by strike against or bumped into by another person Y04.8Assault by other bodily force

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 20: External Causes of Morbidity (V00-Y99).

X92-Y09 Parent Instructions

Includes

homicide
injuries inflicted by another person with intent to injure or kill, by any means

Excludes1(Not coded here. Use a different code.)

injuries due to legal intervention (Y35.-)
injuries due to operations of war (Y36.-)
injuries due to terrorism (Y38.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

assault by:
submersion (X92.-)
use of weapon (X93-X95, X99, Y00)

Clinical Hierarchy

BillableHas subcodes

CH20External causes of morbidity (V00-Y99)

X92-Y09Assault (X92-Y09)

Y04Assault by bodily forceNot billable

Y04.0Assault by unarmed brawl or fightBillable

Y04.1Assault by human biteBillable

Y04.2Assault by strike against or bumped into by another personBillable

Y04.8Assault by other bodily forceBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Y04:

blockX92-Y09

Assault (X92-Y09)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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