ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.2 > Y37.23 > Y37.231 Y37.231 Military operations involving explosion of improvised explosive device [IED], civilian Non-Billable/Non-Specific Codes Y37.231A..., initial encounterY37.231D..., subsequent encounterY37.231S..., sequela