ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.6 > T44.6X > T44.6X1 T44.6X1 Poisoning by alpha-adrenoreceptor antagonists, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by alpha-adrenoreceptor antagonists NOS Codes T44.6X1A..., initial encounterT44.6X1D..., subsequent encounterT44.6X1S..., sequela