ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.5 > Y36.54 > Y36.540 Y36.540 War operation involving nuclear radiation effects of nuclear weapon, military personnel Non-Billable/Non-Specific Codes Y36.540A..., initial encounterY36.540D..., subsequent encounterY36.540S..., sequela