ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.9 > Y37.91 Y37.91 Military operations involving unspecified weapon of mass destruction [WMD] Non-Billable/Non-Specific Codes Y37.91XA..., initial encounterY37.91XD..., subsequent encounterY37.91XS..., sequela