T44 | 
		  | 
		Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system   | 
	
	
		 |  | 
		
	
		| char7Note | 
		The appropriate 7th character is to be added to each code from category T44
  | 
	 
	
		| char7Def | 
		A: initial encounter D: subsequent encounter S: sequela
  | 
	 
 
 | 
	
 |  | 
	
		 T44.0 | 
		 | 
		Poisoning by, adverse effect of and underdosing of anticholinesterase agents | 
	 
 |  | 
	
		 T44.0X | 
		 | 
		Poisoning by, adverse effect of and underdosing of anticholinesterase agents | 
	 
 |  | 
	
		 T44.0X1 | 
		  | 
		Poisoning by anticholinesterase agents, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by anticholinesterase agents NOS |   
 | 
	   |   |  | 
	
		 T44.0X2 | 
		 | 
		Poisoning by anticholinesterase agents, intentional self-harm | 
	 
  |   |  | 
	
		 T44.0X3 | 
		 | 
		Poisoning by anticholinesterase agents, assault | 
	 
  |   |  | 
	
		 T44.0X4 | 
		 | 
		Poisoning by anticholinesterase agents, undetermined | 
	 
  |   |  | 
	
		 T44.0X5 | 
		 | 
		Adverse effect of anticholinesterase agents | 
	 
  |   |  | 
	
		 T44.0X6 | 
		 | 
		Underdosing of anticholinesterase agents | 
	 
  |    |    | 
 |  | 
	
		 T44.1 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] | 
	 
 |  | 
	
		 T44.1X | 
		 | 
		Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] | 
	 
 |  | 
	
		 T44.1X1 | 
		  | 
		Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other parasympathomimetics [cholinergics] NOS |   
 | 
	   |   |  | 
	
		 T44.1X2 | 
		 | 
		Poisoning by other parasympathomimetics [cholinergics], intentional self-harm | 
	 
  |   |  | 
	
		 T44.1X3 | 
		 | 
		Poisoning by other parasympathomimetics [cholinergics], assault | 
	 
  |   |  | 
	
		 T44.1X4 | 
		 | 
		Poisoning by other parasympathomimetics [cholinergics], undetermined | 
	 
  |   |  | 
	
		 T44.1X5 | 
		 | 
		Adverse effect of other parasympathomimetics [cholinergics] | 
	 
  |   |  | 
	
		 T44.1X6 | 
		 | 
		Underdosing of other parasympathomimetics [cholinergics] | 
	 
  |    |    | 
 |  | 
	
		 T44.2 | 
		 | 
		Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs | 
	 
 |  | 
	
		 T44.2X | 
		 | 
		Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs | 
	 
 |  | 
	
		 T44.2X1 | 
		  | 
		Poisoning by ganglionic blocking drugs, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by ganglionic blocking drugs NOS |   
 | 
	   |   |  | 
	
		 T44.2X2 | 
		 | 
		Poisoning by ganglionic blocking drugs, intentional self-harm | 
	 
  |   |  | 
	
		 T44.2X3 | 
		 | 
		Poisoning by ganglionic blocking drugs, assault | 
	 
  |   |  | 
	
		 T44.2X4 | 
		 | 
		Poisoning by ganglionic blocking drugs, undetermined | 
	 
  |   |  | 
	
		 T44.2X5 | 
		 | 
		Adverse effect of ganglionic blocking drugs | 
	 
  |   |  | 
	
		 T44.2X6 | 
		 | 
		Underdosing of ganglionic blocking drugs | 
	 
  |    |    | 
 |  | 
	
		 T44.3 | 
		  | 
		Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics | 
	 
	
		 |  | 
		
| Poisoning by, adverse effect of and underdosing of papaverine |   
 | 
	  |  | 
	
		 T44.3X | 
		 | 
		Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics | 
	 
 |  | 
	
		 T44.3X1 | 
		  | 
		Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics NOS |   
 | 
	   |   |  | 
	
		 T44.3X2 | 
		 | 
		Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, intentional self-harm | 
	 
  |   |  | 
	
		 T44.3X3 | 
		 | 
		Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, assault | 
	 
  |   |  | 
	
		 T44.3X4 | 
		 | 
		Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, undetermined | 
	 
  |   |  | 
	
		 T44.3X5 | 
		 | 
		Adverse effect of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics | 
	 
  |   |  | 
	
		 T44.3X6 | 
		 | 
		Underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics | 
	 
  |    |    | 
 |  | 
	
		 T44.4 | 
		  | 
		Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists | 
	 
	
		 |  | 
		
| Poisoning by, adverse effect of and underdosing of metaraminol |   
 | 
	  |  | 
	
		 T44.4X | 
		 | 
		Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists | 
	 
 |  | 
	
		 T44.4X1 | 
		  | 
		Poisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by predominantly alpha-adrenoreceptor agonists NOS |   
 | 
	   |   |  | 
	
		 T44.4X2 | 
		 | 
		Poisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm | 
	 
  |   |  | 
	
		 T44.4X3 | 
		 | 
		Poisoning by predominantly alpha-adrenoreceptor agonists, assault | 
	 
  |   |  | 
	
		 T44.4X4 | 
		 | 
		Poisoning by predominantly alpha-adrenoreceptor agonists, undetermined | 
	 
  |   |  | 
	
		 T44.4X5 | 
		 | 
		Adverse effect of predominantly alpha-adrenoreceptor agonists | 
	 
  |   |  | 
	
		 T44.4X6 | 
		 | 
		Underdosing of predominantly alpha-adrenoreceptor agonists | 
	 
  |    |    | 
 |  | 
	
		 T44.5 | 
		  | 
		Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		poisoning by, adverse effect of and underdosing of beta-adrenoreceptor agonists used in asthma therapy (T48.6-)
  | 
	 
 
 | 
	  |  | 
	
		 T44.5X | 
		 | 
		Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists | 
	 
 |  | 
	
		 T44.5X1 | 
		  | 
		Poisoning by predominantly beta-adrenoreceptor agonists, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by predominantly beta-adrenoreceptor agonists NOS |   
 | 
	   |   |  | 
	
		 T44.5X2 | 
		 | 
		Poisoning by predominantly beta-adrenoreceptor agonists, intentional self-harm | 
	 
  |   |  | 
	
		 T44.5X3 | 
		 | 
		Poisoning by predominantly beta-adrenoreceptor agonists, assault | 
	 
  |   |  | 
	
		 T44.5X4 | 
		 | 
		Poisoning by predominantly beta-adrenoreceptor agonists, undetermined | 
	 
  |   |  | 
	
		 T44.5X5 | 
		 | 
		Adverse effect of predominantly beta-adrenoreceptor agonists | 
	 
  |   |  | 
	
		 T44.5X6 | 
		 | 
		Underdosing of predominantly beta-adrenoreceptor agonists | 
	 
  |    |    | 
 |  | 
	
		 T44.6 | 
		  | 
		Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		poisoning by, adverse effect of and underdosing of ergot alkaloids (T48.0)
  | 
	 
 
 | 
	  |  | 
	
		 T44.6X | 
		 | 
		Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists | 
	 
 |  | 
	
		 T44.6X1 | 
		  | 
		Poisoning by alpha-adrenoreceptor antagonists, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by alpha-adrenoreceptor antagonists NOS |   
 | 
	   |   |  | 
	
		 T44.6X2 | 
		 | 
		Poisoning by alpha-adrenoreceptor antagonists, intentional self-harm | 
	 
  |   |  | 
	
		 T44.6X3 | 
		 | 
		Poisoning by alpha-adrenoreceptor antagonists, assault | 
	 
  |   |  | 
	
		 T44.6X4 | 
		 | 
		Poisoning by alpha-adrenoreceptor antagonists, undetermined | 
	 
  |   |  | 
	
		 T44.6X5 | 
		 | 
		Adverse effect of alpha-adrenoreceptor antagonists | 
	 
  |   |  | 
	
		 T44.6X6 | 
		 | 
		Underdosing of alpha-adrenoreceptor antagonists | 
	 
  |    |    | 
 |  | 
	
		 T44.7 | 
		 | 
		Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists | 
	 
 |  | 
	
		 T44.7X | 
		 | 
		Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists | 
	 
 |  | 
	
		 T44.7X1 | 
		  | 
		Poisoning by beta-adrenoreceptor antagonists, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by beta-adrenoreceptor antagonists NOS |   
 | 
	   |   |  | 
	
		 T44.7X2 | 
		 | 
		Poisoning by beta-adrenoreceptor antagonists, intentional self-harm | 
	 
  |   |  | 
	
		 T44.7X3 | 
		 | 
		Poisoning by beta-adrenoreceptor antagonists, assault | 
	 
  |   |  | 
	
		 T44.7X4 | 
		 | 
		Poisoning by beta-adrenoreceptor antagonists, undetermined | 
	 
  |   |  | 
	
		 T44.7X5 | 
		 | 
		Adverse effect of beta-adrenoreceptor antagonists | 
	 
  |   |  | 
	
		 T44.7X6 | 
		 | 
		Underdosing of beta-adrenoreceptor antagonists | 
	 
  |    |    | 
 |  | 
	
		 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 | 
	 
 |  | 
	
		 T44.8X1 | 
		  | 
		Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by centrally-acting and adrenergic-neuron-blocking agents NOS |   
 | 
	   |   |  | 
	
		 T44.8X2 | 
		 | 
		Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm | 
	 
  |   |  | 
	
		 T44.8X3 | 
		 | 
		Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault | 
	 
  |   |  | 
	
		 T44.8X4 | 
		 | 
		Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined | 
	 
  |   |  | 
	
		 T44.8X5 | 
		 | 
		Adverse effect of centrally-acting and adrenergic-neuron-blocking agents | 
	 
  |   |  | 
	
		 T44.8X6 | 
		 | 
		Underdosing of centrally-acting and adrenergic-neuron-blocking agents | 
	 
  |    |    | 
 |  | 
	
		 T44.9 | 
		  | 
		Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system | 
	 
	
		 |  | 
		
| Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors |   
 | 
	  |  | 
	
		 T44.90 | 
		 | 
		Poisoning by, adverse effect of and underdosing of unspecified drugs primarily affecting the autonomic nervous system | 
	 
 |  | 
	
		 T44.901 | 
		  | 
		Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by unspecified drugs primarily affecting the autonomic nervous system NOS |   
 | 
	   |   |  | 
	
		 T44.902 | 
		 | 
		Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm | 
	 
  |   |  | 
	
		 T44.903 | 
		 | 
		Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault | 
	 
  |   |  | 
	
		 T44.904 | 
		 | 
		Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined | 
	 
  |   |  | 
	
		 T44.905 | 
		 | 
		Adverse effect of unspecified drugs primarily affecting the autonomic nervous system | 
	 
  |   |  | 
	
		 T44.906 | 
		 | 
		Underdosing of unspecified drugs primarily affecting the autonomic nervous system | 
	 
  |    |   |  | 
	
		 T44.99 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous system | 
	 
 |  | 
	
		 T44.991 | 
		  | 
		Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other drugs primarily affecting the autonomic nervous system NOS |   
 | 
	   |   |  | 
	
		 T44.992 | 
		 | 
		Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm | 
	 
  |   |  | 
	
		 T44.993 | 
		 | 
		Poisoning by other drug primarily affecting the autonomic nervous system, assault | 
	 
  |   |  | 
	
		 T44.994 | 
		 | 
		Poisoning by other drug primarily affecting the autonomic nervous system, undetermined | 
	 
  |   |  | 
	
		 T44.995 | 
		 | 
		Adverse effect of other drug primarily affecting the autonomic nervous system | 
	 
  |   |  | 
	
		 T44.996 | 
		 | 
		Underdosing of other drug primarily affecting the autonomic nervous system | 
	 
  |    |    |