Y00.XXXA
✓ Billable
Assault by blunt object, initial encounter
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
Y00.XXXA
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Y00.XXXA?
ICD-10-CM code Y00.XXXA represents Assault by blunt object, initial encounter. It is a billable diagnosis code in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is Y00.XXXA billable?
Yes. Y00.XXXA is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Y00.XXXA in?
Y00.XXXA belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
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