ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.4 > Y37.44 > Y37.440 Y37.440 Military operations involving unarmed hand to hand combat, military personnel Non-Billable/Non-Specific Codes Y37.440A..., initial encounterY37.440D..., subsequent encounterY37.440S..., sequela