ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.4 > Y37.46 > Y37.460 Y37.460 Military operations involving intentional restriction of air and airway, military personnel Non-Billable/Non-Specific Codes Y37.460A..., initial encounterY37.460D..., subsequent encounterY37.460S..., sequela