ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.0 > T46.0X > T46.0X4 T46.0X4 Poisoning by cardiac-stimulant glycosides and drugs of similar action, undetermined Non-Billable/Non-Specific Codes T46.0X4A..., initial encounterT46.0X4D..., subsequent encounterT46.0X4S..., sequela