ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.2 > Y36.23 > Y36.231 Y36.231 War operations involving explosion of improvised explosive device [IED], civilian Non-Billable/Non-Specific Codes Y36.231A..., initial encounterY36.231D..., subsequent encounterY36.231S..., sequela