Y37.A2
⚠ Non-billable
High level blast overpressure in military operations
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
Y37.A2
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 Y37.A2?
ICD-10-CM code Y37.A2 represents High level blast overpressure in military operations. 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 Y37.A2 billable?
No. Y37.A2 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Y37.A2 in?
Y37.A2 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the Y37 category
Y37
Military operations
Non-billable
Y37.0
Military operations involving explosion of marine weapons
Non-billable
Y37.1
Military operations involving destruction of aircraft
Non-billable
Y37.2
Military operations involving other explosions and fragments
Non-billable
Y37.3
Military operations involving fires, conflagrations and hot substances
Non-billable
Y37.4
Military operations involving firearm discharge and other forms of conventional warfare
Non-billable
Y37.5
Military operations involving nuclear weapons
Non-billable
Y37.6
Military operations involving biological weapons
Non-billable
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