ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.4 > T44.4X > T44.4X4 T44.4X4 Poisoning by predominantly alpha-adrenoreceptor agonists, undetermined Non-Billable/Non-Specific Codes T44.4X4A..., initial encounterT44.4X4D..., subsequent encounterT44.4X4S..., sequela