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ICD-10-CM · FY 2026 APRIL UPDATE

Y36.4

War operations involving firearm discharge and other forms of conventional warfare

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
Y36.41War operations involving rubber bulletsCategory
Y36.410War operations involving rubber bullets, military personnelCategory
Y36.410AWar operations involving rubber bullets, military personnel, initial encounterBillable
Y36.410DWar operations involving rubber bullets, military personnel, subsequent encounterBillable
Y36.410SWar operations involving rubber bullets, military personnel, sequelaBillable
Y36.411War operations involving rubber bullets, civilianCategory
Y36.411AWar operations involving rubber bullets, civilian, initial encounterBillable
Y36.411DWar operations involving rubber bullets, civilian, subsequent encounterBillable
Y36.411SWar operations involving rubber bullets, civilian, sequelaBillable
Y36.42War operations involving firearms pelletsCategory
Y36.420War operations involving firearms pellets, military personnelCategory
Y36.420AWar operations involving firearms pellets, military personnel, initial encounterBillable
Y36.420DWar operations involving firearms pellets, military personnel, subsequent encounterBillable
Y36.420SWar operations involving firearms pellets, military personnel, sequelaBillable
Y36.421War operations involving firearms pellets, civilianCategory
Y36.421AWar operations involving firearms pellets, civilian, initial encounterBillable
Y36.421DWar operations involving firearms pellets, civilian, subsequent encounterBillable
Y36.421SWar operations involving firearms pellets, civilian, sequelaBillable
Y36.43War operations involving other firearms dischargeCategory
Y36.430War operations involving other firearms discharge, military personnelCategory
Y36.430AWar operations involving other firearms discharge, military personnel, initial encounterBillable
Y36.430DWar operations involving other firearms discharge, military personnel, subsequent encounterBillable
Y36.430SWar operations involving other firearms discharge, military personnel, sequelaBillable
Y36.431War operations involving other firearms discharge, civilianCategory
Y36.431AWar operations involving other firearms discharge, civilian, initial encounterBillable
Y36.431DWar operations involving other firearms discharge, civilian, subsequent encounterBillable
Y36.431SWar operations involving other firearms discharge, civilian, sequelaBillable
Y36.44War operations involving unarmed hand to hand combatCategory
Y36.440War operations involving unarmed hand to hand combat, military personnelCategory
Y36.440AWar operations involving unarmed hand to hand combat, military personnel, initial encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.