ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.8 > T44.8X T44.8X Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agents Non-Billable/Non-Specific Codes T44.8X1Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional)T44.8X1A..., initial encounterT44.8X1D..., subsequent encounterT44.8X1S..., sequelaT44.8X2Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harmT44.8X2A..., initial encounterT44.8X2D..., subsequent encounterT44.8X2S..., sequelaT44.8X3Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assaultT44.8X3A..., initial encounterT44.8X3D..., subsequent encounterT44.8X3S..., sequelaT44.8X4Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undeterminedT44.8X4A..., initial encounterT44.8X4D..., subsequent encounterT44.8X4S..., sequelaT44.8X5Adverse effect of centrally-acting and adrenergic-neuron-blocking agentsT44.8X5A..., initial encounterT44.8X5D..., subsequent encounterT44.8X5S..., sequelaT44.8X6Underdosing of centrally-acting and adrenergic-neuron-blocking agentsT44.8X6A..., initial encounterT44.8X6D..., subsequent encounterT44.8X6S..., sequela