ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.2 > T50.2X > T50.2X4 T50.2X4 Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined Non-Billable/Non-Specific Codes T50.2X4A..., initial encounterT50.2X4D..., subsequent encounterT50.2X4S..., sequela