ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.2 > T45.2X > T45.2X4 T45.2X4 Poisoning by vitamins, undetermined Non-Billable/Non-Specific Codes T45.2X4A..., initial encounterT45.2X4D..., subsequent encounterT45.2X4S..., sequela