U.S. ICD-10-CM · FY 2027

Y36 ICD-10-CM Code: Operations of war

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Y36

Operations of war

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Y36 sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Legal intervention, operations of war, military operations, and terrorism (Y35-Y38)

  3. 3

    Category Y36

    Operations of war

  4. 4

    Code Y36

    Operations of war

More specific choices

Codes under Y36

Y36 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Y36.0

War operations involving explosion of marine weapons

Y36.1

War operations involving destruction of aircraft

Y36.2

War operations involving other explosions and fragments

Y36.3

War operations involving fires, conflagrations and hot substances

Y36.4

War operations involving firearm discharge and other forms of conventional warfare

Y36.5

War operations involving nuclear weapons

Y36.6

War operations involving biological weapons

Y36.7

War operations involving chemical weapons and other forms of unconventional warfare

Y36.8

War operations occurring after cessation of hostilities

Y36.9

Other and unspecified war operations

Y36.A

Blast overpressure in war operations

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Y36.

Code first

No “code first” instruction is listed for Y36.

Use additional code

No “use additional code” instruction is listed for Y36.

Excludes1

Conditions that should not be reported together with this code.

  • 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)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Y36.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Y36 mean?

Y36 is the FY 2027 U.S. ICD-10-CM code for “Operations of war.”

Is Y36 a billable or specific ICD-10-CM code?

No. Y36 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Y36 located in ICD-10-CM?

Y36 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Legal intervention, operations of war, military operations, and terrorism (Y35-Y38) (Y35–Y38), under category Y36, Operations of war.

What coding notes are listed for Y36?

No inclusion terms are listed for Y36 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.

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