Is Y00 a billable code?
No. Y00 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Y00: Assault by blunt object
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Y00 groups related diagnoses under assault by blunt object. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Y00 questions
What does Y00 mean?
Y00 is the ICD-10-CM code for Assault by blunt object. 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.