T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system

Category / Non-billable header 87 subcodes

Block: Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances (T36-T50)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T44..0 Poisoning by, adverse effect of and underdosing of anticholinesterase agents No
T44..0X Poisoning by, adverse effect of and underdosing of anticholinesterase agents No
T44..0X1 Poisoning by anticholinesterase agents, accidental (unintentional) No
T44..0X2 Poisoning by anticholinesterase agents, intentional self-harm No
T44..0X3 Poisoning by anticholinesterase agents, assault No
T44..0X4 Poisoning by anticholinesterase agents, undetermined No
T44..0X5 Adverse effect of anticholinesterase agents No
T44..0X6 Underdosing of anticholinesterase agents No
T44..1 Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] No
T44..1X Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] No
T44..1X1 Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional) No
T44..1X2 Poisoning by other parasympathomimetics [cholinergics], intentional self-harm No
T44..1X3 Poisoning by other parasympathomimetics [cholinergics], assault No
T44..1X4 Poisoning by other parasympathomimetics [cholinergics], undetermined No
T44..1X5 Adverse effect of other parasympathomimetics [cholinergics] No
T44..1X6 Underdosing of other parasympathomimetics [cholinergics] No
T44..2 Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs No
T44..2X Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs No
T44..2X1 Poisoning by ganglionic blocking drugs, accidental (unintentional) No
T44..2X2 Poisoning by ganglionic blocking drugs, intentional self-harm No
T44..2X3 Poisoning by ganglionic blocking drugs, assault No
T44..2X4 Poisoning by ganglionic blocking drugs, undetermined No
T44..2X5 Adverse effect of ganglionic blocking drugs No
T44..2X6 Underdosing of ganglionic blocking drugs No
T44..3 Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics No
T44..3X Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics No
T44..3X1 Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, accidental (unintentional) No
T44..3X2 Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, intentional self-harm No
T44..3X3 Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, assault No
T44..3X4 Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, undetermined No
T44..3X5 Adverse effect of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics No
T44..3X6 Underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics No
T44..4 Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists No
T44..4X Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists No
T44..4X1 Poisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional) No
T44..4X2 Poisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm No
T44..4X3 Poisoning by predominantly alpha-adrenoreceptor agonists, assault No
T44..4X4 Poisoning by predominantly alpha-adrenoreceptor agonists, undetermined No
T44..4X5 Adverse effect of predominantly alpha-adrenoreceptor agonists No
T44..4X6 Underdosing of predominantly alpha-adrenoreceptor agonists No
T44..5 Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists No
T44..5X Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists No
T44..5X1 Poisoning by predominantly beta-adrenoreceptor agonists, accidental (unintentional) No
T44..5X2 Poisoning by predominantly beta-adrenoreceptor agonists, intentional self-harm No
T44..5X3 Poisoning by predominantly beta-adrenoreceptor agonists, assault No
T44..5X4 Poisoning by predominantly beta-adrenoreceptor agonists, undetermined No
T44..5X5 Adverse effect of predominantly beta-adrenoreceptor agonists No
T44..5X6 Underdosing of predominantly beta-adrenoreceptor agonists No
T44..6 Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists No
T44..6X Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists No
T44..6X1 Poisoning by alpha-adrenoreceptor antagonists, accidental (unintentional) No
T44..6X2 Poisoning by alpha-adrenoreceptor antagonists, intentional self-harm No
T44..6X3 Poisoning by alpha-adrenoreceptor antagonists, assault No
T44..6X4 Poisoning by alpha-adrenoreceptor antagonists, undetermined No
T44..6X5 Adverse effect of alpha-adrenoreceptor antagonists No
T44..6X6 Underdosing of alpha-adrenoreceptor antagonists No
T44..7 Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists No
T44..7X Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists No
T44..7X1 Poisoning by beta-adrenoreceptor antagonists, accidental (unintentional) No
T44..7X2 Poisoning by beta-adrenoreceptor antagonists, intentional self-harm No
T44..7X3 Poisoning by beta-adrenoreceptor antagonists, assault No
T44..7X4 Poisoning by beta-adrenoreceptor antagonists, undetermined No
T44..7X5 Adverse effect of beta-adrenoreceptor antagonists No
T44..7X6 Underdosing of beta-adrenoreceptor antagonists No
T44..8 Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents No
T44..8X Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agents No
T44..8X1 Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional) No
T44..8X2 Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm No
T44..8X3 Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault No
T44..8X4 Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined No
T44..8X5 Adverse effect of centrally-acting and adrenergic-neuron-blocking agents No
T44..8X6 Underdosing of centrally-acting and adrenergic-neuron-blocking agents No
T44..9 Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system No
T44..90 Poisoning by, adverse effect of and underdosing of unspecified drugs primarily affecting the autonomic nervous system No
T44..901 Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional) No
T44..902 Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm No
T44..903 Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault No
T44..904 Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined No
T44..905 Adverse effect of unspecified drugs primarily affecting the autonomic nervous system No
T44..906 Underdosing of unspecified drugs primarily affecting the autonomic nervous system No
T44..99 Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous system No
T44..991 Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional) No
T44..992 Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm No
T44..993 Poisoning by other drug primarily affecting the autonomic nervous system, assault No
T44..994 Poisoning by other drug primarily affecting the autonomic nervous system, undetermined No
T44..995 Adverse effect of other drug primarily affecting the autonomic nervous system No
T44..996 Underdosing of other drug primarily affecting the autonomic nervous system No

Last reviewed: September 2026