ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.6 T44.6 Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists Non-Billable/Non-Specific Type 1 Excludes poisoning by, adverse effect of and underdosing of ergot alkaloids (T48.0) Codes T44.6XPoisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonistsT44.6X1Poisoning by alpha-adrenoreceptor antagonists, accidental (unintentional)T44.6X1A..., initial encounterT44.6X1D..., subsequent encounterT44.6X1S..., sequelaT44.6X2Poisoning by alpha-adrenoreceptor antagonists, intentional self-harmT44.6X2A..., initial encounterT44.6X2D..., subsequent encounterT44.6X2S..., sequelaT44.6X3Poisoning by alpha-adrenoreceptor antagonists, assaultT44.6X3A..., initial encounterT44.6X3D..., subsequent encounterT44.6X3S..., sequelaT44.6X4Poisoning by alpha-adrenoreceptor antagonists, undeterminedT44.6X4A..., initial encounterT44.6X4D..., subsequent encounterT44.6X4S..., sequelaT44.6X5Adverse effect of alpha-adrenoreceptor antagonistsT44.6X5A..., initial encounterT44.6X5D..., subsequent encounterT44.6X5S..., sequelaT44.6X6Underdosing of alpha-adrenoreceptor antagonistsT44.6X6A..., initial encounterT44.6X6D..., subsequent encounterT44.6X6S..., sequela