Y23.9
⚠ Non-billable
Unspecified larger firearm discharge, undetermined intent
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
Y23.9
System
ICD-10-CM
Billable
No — use specific code
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 Y23.9?
ICD-10-CM code Y23.9 represents Unspecified larger firearm discharge, undetermined intent. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is Y23.9 billable?
No. Y23.9 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Y23.9 in?
Y23.9 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the Y23 category
Y23
Rifle, shotgun and larger firearm discharge, undetermined intent
Non-billable
Y23.0
Shotgun discharge, undetermined intent
Non-billable
Y23.1
Hunting rifle discharge, undetermined intent
Non-billable
Y23.2
Military firearm discharge, undetermined intent
Non-billable
Y23.3
Machine gun discharge, undetermined intent
Non-billable
Y23.8
Other larger firearm discharge, undetermined intent
Non-billable
Y23.0XXA
Shotgun discharge, undetermined intent, initial encounter
Billable
Y23.0XXD
Shotgun discharge, undetermined intent, subsequent encounter
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →