ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.0 > T50.0X > T50.0X4 T50.0X4 Poisoning by mineralocorticoids and their antagonists, undetermined Non-Billable/Non-Specific Codes T50.0X4A..., initial encounterT50.0X4D..., subsequent encounterT50.0X4S..., sequela