Y37.43

⚠ Non-billable (Header)

Military operations involving other firearms discharge

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 bullets NOS

❌ Excludes1

direct

These codes are mutually exclusive. Never code them together.

• military operations involving munitions fragments (Y37.25-)
• military operations involving incendiary bullets (Y37.32-)

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

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)

Y37.430Military operations involving other firearms discharge, military personnelHeader Y37.431Military operations involving other firearms discharge, civilianHeader

Clinical Description

ICD-10-CM code Y37.43 represents military operations involving other firearms discharge. 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 Y37.43. Coders should note that Y37.43 has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code Y37.43?

ICD-10-CM code Y37.43 is "Military operations involving other firearms discharge". It belongs to the category: External causes of morbidity (V00-Y99).

Is Y37.43 a billable ICD-10 code?

No, Y37.43 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with Y37.43?

Y37.43 has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in Y37.4

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

Y37.41Military operations involving rubber bullets Y37.42Military operations involving firearms pellets Y37.44Military operations involving unarmed hand to hand combat Y37.45Military operations involving combat using blunt or piercing object Y37.46Military operations involving intentional restriction of air and airway Y37.47Military operations involving unintentional restriction of air and airway Y37.49Military operations involving other forms of conventional warfare

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Code Information

CodeY37.43

BillableNo — Header code

ParentY37.4

CategoryExternal causes of morbidity (V00-Y99)

Excludes16 rule(s)

Excludes20 note(s)

Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)