ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.4 > Y36.44 Y36.44 War operations involving unarmed hand to hand combat Non-Billable/Non-Specific Type 1 Excludes war operations involving combat using blunt or piercing object (Y36.45-)war operations involving intentional restriction of air and airway (Y36.46-)war operations involving unintentional restriction of air and airway (Y36.47-) Codes Y36.440War operations involving unarmed hand to hand combat, military personnelY36.440A..., initial encounterY36.440D..., subsequent encounterY36.440S..., sequelaY36.441War operations involving unarmed hand to hand combat, civilianY36.441A..., initial encounterY36.441D..., subsequent encounterY36.441S..., sequela