ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.5 > Y36.53 > Y36.531 Y36.531 War operations involving thermal radiation effect of nuclear weapon, civilian Non-Billable/Non-Specific Codes Y36.531A..., initial encounterY36.531D..., subsequent encounterY36.531S..., sequela