T44: Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
T44.8: Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents

excludes2
poisoning by, adverse effect of and underdosing of clonidine (T46.5)
poisoning by, adverse effect of and underdosing of guanethidine (T46.5)
T44.8X: Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agents

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