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Y37.20

⚠ Non-billable (Header)

Military operations involving unspecified explosion and fragments

External causes of morbidity (V00-Y99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Military operations involving air blast NOSMilitary operations involving blast NOSMilitary operations involving blast fragments NOSMilitary operations involving blast wave NOSMilitary operations involving blast wind NOSMilitary operations involving explosion NOSMilitary operations involving explosion of bomb NOS

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

Y37.2
  • • military operations involving explosion of aircraft (Y37.1-)
  • • military operations involving explosion of marine weapons (Y37.0-)
  • • military operations involving explosion of nuclear weapons (Y37.5-)
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.-)

Child Codes (2)

Y37.200Military operations involving unspecified explosion and fragments, military personnelY37.201Military operations involving unspecified explosion and fragments, civilian

Clinical Description

ICD-10-CM code Y37.20 represents military operations involving unspecified explosion and fragments. This code falls under the External causes of morbidity (V00-Y99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 6-character code at the 5th level of specificity. There are 2 more specific child codes under Y37.20. Coders should note that Y37.20 has 7 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code Y37.20?

ICD-10-CM code Y37.20 is "Military operations involving unspecified explosion and fragments". It belongs to the category: External causes of morbidity (V00-Y99).

Is Y37.20 a billable ICD-10 code?

No, Y37.20 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with Y37.20?

Y37.20 has 7 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in Y37.2

Other codes in the same category that may be relevant for differential coding:

Y37.21Military operations involving explosion of aerial bombY37.22Military operations involving explosion of guided missileY37.23Military operations involving explosion of improvised explosive device [IED]Y37.24Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch deviceY37.25Military operations involving fragments from munitionsY37.26Military operations involving fragments of improvised explosive device [IED]Y37.27Military operations involving fragments from weaponsY37.29Military operations involving other explosions and fragments

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Code Information

CodeY37.20
BillableNo — Header code
ParentY37.2
CategoryExternal causes of morbidity (V00-Y99)
Excludes17 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)