Y37.20 – Military operations involving unspecified explosion and fragments
ICD-10-CM 2027 diagnosis code · Legal intervention, operations of war, military operations, and terrorism
- Code
Y37.20(claims format:Y3720)- Description
- Military operations involving unspecified explosion and fragments
- Short description
- Military operations involving unsp explosion and fragments
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- Y35-Y38 Legal intervention, operations of war, military operations, and terrorism
- Parent codes
- Y37 › Y37.2
Billable codes under Y37.20
Y37.20 is a header code and cannot be used on claims. Choose the most specific code:
- Y37.200 – Military operations involving unspecified explosion and fragments, military personnelHeader (more codes below)
- Y37.201 – Military operations involving unspecified explosion and fragments, civilianHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for Y37.20
- Military operations involving air blast NOS
- Military operations involving blast NOS
- Military operations involving blast fragments NOS
- Military operations involving blast wave NOS
- Military operations involving blast wind NOS
- Military operations involving explosion NOS
- Military operations involving explosion of bomb NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Y37 – Military operations
- injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
- 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.-)
- The appropriate 7th character is to be added to each code from category Y37
Y37.2 – Military operations involving other explosions and fragments
Related codes in Y37.2
- Y37.21 – Military operations involving explosion of aerial bombHeader
- Y37.22 – Military operations involving explosion of guided missileHeader
- Y37.23 – Military operations involving explosion of improvised explosive device [IED]Header
- Y37.24 – Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch deviceHeader
- Y37.25 – Military operations involving fragments from munitionsHeader
- Y37.26 – Military operations involving fragments of improvised explosive device [IED]Header
- Y37.27 – Military operations involving fragments from weaponsHeader
- Y37.29 – Military operations involving other explosions and fragmentsHeader
Frequently asked questions
What is ICD-10 code Y37.20?
Y37.20 is the ICD-10-CM code for military operations involving unspecified explosion and fragments, in the block Y35-Y38 (Legal intervention, operations of war, military operations, and terrorism).
Is Y37.20 a billable code?
No. Y37.20 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Y37.20 belong to?
It belongs to category Y37 – Military operations.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.