Y36.4 — War operations involving firearm discharge and other forms of conventional warfare

Not billable

Is Y36.4 billable?

No — Y36.4 is a non-billable header code. Y36.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 48 billable codes beneath Y36.4.

Billable codes under this header

Y36.410AWar operations involving rubber bullets, military personnel, initial encounter
Y36.410DWar operations involving rubber bullets, military personnel, subsequent encounter
Y36.410SWar operations involving rubber bullets, military personnel, sequela
Y36.411AWar operations involving rubber bullets, civilian, initial encounter
Y36.411DWar operations involving rubber bullets, civilian, subsequent encounter
Y36.411SWar operations involving rubber bullets, civilian, sequela
Y36.420AWar operations involving firearms pellets, military personnel, initial encounter
Y36.420DWar operations involving firearms pellets, military personnel, subsequent encounter
Y36.420SWar operations involving firearms pellets, military personnel, sequela
Y36.421AWar operations involving firearms pellets, civilian, initial encounter
Y36.421DWar operations involving firearms pellets, civilian, subsequent encounter
Y36.421SWar operations involving firearms pellets, civilian, sequela
Y36.430AWar operations involving other firearms discharge, military personnel, initial encounter
Y36.430DWar operations involving other firearms discharge, military personnel, subsequent encounter
Y36.430SWar operations involving other firearms discharge, military personnel, sequela
Y36.431AWar operations involving other firearms discharge, civilian, initial encounter
Y36.431DWar operations involving other firearms discharge, civilian, subsequent encounter
Y36.431SWar operations involving other firearms discharge, civilian, sequela
Y36.440AWar operations involving unarmed hand to hand combat, military personnel, initial encounter
Y36.440DWar operations involving unarmed hand to hand combat, military personnel, subsequent encounter
Y36.440SWar operations involving unarmed hand to hand combat, military personnel, sequela
Y36.441AWar operations involving unarmed hand to hand combat, civilian, initial encounter
Y36.441DWar operations involving unarmed hand to hand combat, civilian, subsequent encounter
Y36.441SWar operations involving unarmed hand to hand combat, civilian, sequela
Y36.450AWar operations involving combat using blunt or piercing object, military personnel, initial encounter
Y36.450DWar operations involving combat using blunt or piercing object, military personnel, subsequent encounter
Y36.450SWar operations involving combat using blunt or piercing object, military personnel, sequela
Y36.451AWar operations involving combat using blunt or piercing object, civilian, initial encounter
Y36.451DWar operations involving combat using blunt or piercing object, civilian, subsequent encounter
Y36.451SWar operations involving combat using blunt or piercing object, civilian, sequela
Y36.460AWar operations involving intentional restriction of air and airway, military personnel, initial encounter
Y36.460DWar operations involving intentional restriction of air and airway, military personnel, subsequent encounter
Y36.460SWar operations involving intentional restriction of air and airway, military personnel, sequela
Y36.461AWar operations involving intentional restriction of air and airway, civilian, initial encounter
Y36.461DWar operations involving intentional restriction of air and airway, civilian, subsequent encounter
Y36.461SWar operations involving intentional restriction of air and airway, civilian, sequela
Y36.470AWar operations involving unintentional restriction of air and airway, military personnel, initial encounter
Y36.470DWar operations involving unintentional restriction of air and airway, military personnel, subsequent encounter
Y36.470SWar operations involving unintentional restriction of air and airway, military personnel, sequela
Y36.471AWar operations involving unintentional restriction of air and airway, civilian, initial encounter
Y36.471DWar operations involving unintentional restriction of air and airway, civilian, subsequent encounter
Y36.471SWar operations involving unintentional restriction of air and airway, civilian, sequela
Y36.490AWar operations involving other forms of conventional warfare, military personnel, initial encounter
Y36.490DWar operations involving other forms of conventional warfare, military personnel, subsequent encounter
Y36.490SWar operations involving other forms of conventional warfare, military personnel, sequela
Y36.491AWar operations involving other forms of conventional warfare, civilian, initial encounter
Y36.491DWar operations involving other forms of conventional warfare, civilian, subsequent encounter
Y36.491SWar operations involving other forms of conventional warfare, civilian, sequela

Y36.4 at a glance

Code	Y36.4
Description	War operations involving firearm discharge and other forms of conventional warfare
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together — inherited from Y36

The conditions below can never be reported together with Y36.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

injury to military personnel occurring during peacetime military operations (Y37.-)
military vehicles involved in transport accidents with non-military vehicle during peacetime (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)

What codes fall under Y36.4? (8)

How long has Y36.4 existed?

Y36.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.