ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.5 > T46.5X > T46.5X1 > T46.5X1A T46.5X1A Poisoning by other antihypertensive drugs, accidental (unintentional), initial encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by other antihypertensive drugs NOS