ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.8 > T50.8X > T50.8X4 T50.8X4 Poisoning by diagnostic agents, undetermined Non-Billable/Non-Specific Codes T50.8X4A..., initial encounterT50.8X4D..., subsequent encounterT50.8X4S..., sequela