ICD-10-CM FY2027 diagnosis code

Y04.1: Assault by human bite

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

Y04.1 groups related diagnoses under assault by human bite. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Other codes in Y04 Assault by bodily force

Y04.0Assault by unarmed brawl or fightheader
Y04.2Assault by strike against or bumped into by another personheader
Y04.8Assault by other bodily forceheader

Y04.1 questions

Is Y04.1 a billable code?

No. Y04.1 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.

What does Y04.1 mean?

Y04.1 is the ICD-10-CM code for Assault by human bite. It is in chapter 21, External causes of morbidity (V00-Y99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.