New code ยท FY2026
Billable: use this code on claims.
- New code, effective October 1, 2025 (FY2026).
Code breakdown
Y37.A2XD
- Y37CategoryMilitary operations
- ACharacter 4Blast overpressure in military operations
- 2Character 5High level blast overpressure in military operations
- XPlaceholderX fills the empty positions so the 7th character stays in position 7
- D7th charactersubsequent encounter
Coding notes
Inclusion terms (from Y37.A2)
- High level blast overpressure due to explosion in military operations
- HLB overpressure in military operations
Code also (from Y37.A)
- type of explosive, if known
- accidental detonation of onboard munitions (Y37.140)
- explosion of grenade (Y37.290)
- explosion of torpedo (Y37.040)
- improvised explosive device (Y37.230)
Includes (from Y37)
- injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
Excludes1 (from Y37)
- military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
- military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
- military watercraft involved in water transport accident with civilian watercraft (V94.81-)
- war operations (Y36.-)
7th character (from Y37)
- The appropriate 7th character is to be added to each code from category Y37
7th characters (category Y37)
- A initial encounter
- D subsequent encounter
- S sequela
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ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.