ICD-10-CM category
T44 Poisoning by drugs primarily affecting the autonomic nervous system
T44 is a category, not a billable code. Report one of the 198 complete codes below.
T44.0…
18 codes
- T44.0X1APoisoning by anticholinesterase agents, accidental (unintentional), initial encounter
- T44.0X1DPoisoning by anticholinesterase agents, accidental (unintentional), subsequent encounter
- T44.0X1SPoisoning by anticholinesterase agents, accidental (unintentional), sequela
- T44.0X2APoisoning by anticholinesterase agents, intentional self-harm, initial encounter
- T44.0X2DPoisoning by anticholinesterase agents, intentional self-harm, subsequent encounter
- T44.0X2SPoisoning by anticholinesterase agents, intentional self-harm, sequela
- T44.0X3APoisoning by anticholinesterase agents, assault, initial encounter
- T44.0X3DPoisoning by anticholinesterase agents, assault, subsequent encounter
- T44.0X3SPoisoning by anticholinesterase agents, assault, sequela
- T44.0X4APoisoning by anticholinesterase agents, undetermined, initial encounter
- T44.0X4DPoisoning by anticholinesterase agents, undetermined, subsequent encounter
- T44.0X4SPoisoning by anticholinesterase agents, undetermined, sequela
- T44.0X5AAdverse effect of anticholinesterase agents, initial encounter
- T44.0X5DAdverse effect of anticholinesterase agents, subsequent encounter
- T44.0X5SAdverse effect of anticholinesterase agents, sequela
- T44.0X6AUnderdosing of anticholinesterase agents, initial encounter
- T44.0X6DUnderdosing of anticholinesterase agents, subsequent encounter
- T44.0X6SUnderdosing of anticholinesterase agents, sequela
T44.1…
18 codes
- T44.1X1APoisoning by other parasympathomimetics [cholinergics], accidental (unintentional), initial encounter
- T44.1X1DPoisoning by other parasympathomimetics [cholinergics], accidental (unintentional), subsequent encounter
- T44.1X1SPoisoning by other parasympathomimetics [cholinergics], accidental (unintentional), sequela
- T44.1X2APoisoning by other parasympathomimetics [cholinergics], intentional self-harm, initial encounter
- T44.1X2DPoisoning by other parasympathomimetics [cholinergics], intentional self-harm, subsequent encounter
- T44.1X2SPoisoning by other parasympathomimetics [cholinergics], intentional self-harm, sequela
- T44.1X3APoisoning by other parasympathomimetics [cholinergics], assault, initial encounter
- T44.1X3DPoisoning by other parasympathomimetics [cholinergics], assault, subsequent encounter
- T44.1X3SPoisoning by other parasympathomimetics [cholinergics], assault, sequela
- T44.1X4APoisoning by other parasympathomimetics [cholinergics], undetermined, initial encounter
- T44.1X4DPoisoning by other parasympathomimetics [cholinergics], undetermined, subsequent encounter
- T44.1X4SPoisoning by other parasympathomimetics [cholinergics], undetermined, sequela
- T44.1X5AAdverse effect of other parasympathomimetics [cholinergics], initial encounter
- T44.1X5DAdverse effect of other parasympathomimetics [cholinergics], subsequent encounter
- T44.1X5SAdverse effect of other parasympathomimetics [cholinergics], sequela
- T44.1X6AUnderdosing of other parasympathomimetics [cholinergics], initial encounter
- T44.1X6DUnderdosing of other parasympathomimetics [cholinergics], subsequent encounter
- T44.1X6SUnderdosing of other parasympathomimetics [cholinergics], sequela
T44.2…
18 codes
- T44.2X1APoisoning by ganglionic blocking drugs, accidental (unintentional), initial encounter
- T44.2X1DPoisoning by ganglionic blocking drugs, accidental (unintentional), subsequent encounter
- T44.2X1SPoisoning by ganglionic blocking drugs, accidental (unintentional), sequela
- T44.2X2APoisoning by ganglionic blocking drugs, intentional self-harm, initial encounter
- T44.2X2DPoisoning by ganglionic blocking drugs, intentional self-harm, subsequent encounter
- T44.2X2SPoisoning by ganglionic blocking drugs, intentional self-harm, sequela
- T44.2X3APoisoning by ganglionic blocking drugs, assault, initial encounter
- T44.2X3DPoisoning by ganglionic blocking drugs, assault, subsequent encounter
- T44.2X3SPoisoning by ganglionic blocking drugs, assault, sequela
- T44.2X4APoisoning by ganglionic blocking drugs, undetermined, initial encounter
- T44.2X4DPoisoning by ganglionic blocking drugs, undetermined, subsequent encounter
- T44.2X4SPoisoning by ganglionic blocking drugs, undetermined, sequela
- T44.2X5AAdverse effect of ganglionic blocking drugs, initial encounter
- T44.2X5DAdverse effect of ganglionic blocking drugs, subsequent encounter
- T44.2X5SAdverse effect of ganglionic blocking drugs, sequela
- T44.2X6AUnderdosing of ganglionic blocking drugs, initial encounter
- T44.2X6DUnderdosing of ganglionic blocking drugs, subsequent encounter
- T44.2X6SUnderdosing of ganglionic blocking drugs, sequela
T44.3…
18 codes
- T44.3X1APoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, accidental (unintentional), initial encounter
- T44.3X1DPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, accidental (unintentional), subsequent encounter
- T44.3X1SPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, accidental (unintentional), sequela
- T44.3X2APoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, intentional self-harm, initial encounter
- T44.3X2DPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, intentional self-harm, subsequent encounter
- T44.3X2SPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, intentional self-harm, sequela
- T44.3X3APoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, assault, initial encounter
- T44.3X3DPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, assault, subsequent encounter
- T44.3X3SPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, assault, sequela
- T44.3X4APoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, undetermined, initial encounter
- T44.3X4DPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, undetermined, subsequent encounter
- T44.3X4SPoisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, undetermined, sequela
- T44.3X5AAdverse effect of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, initial encounter
- T44.3X5DAdverse effect of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, subsequent encounter
- T44.3X5SAdverse effect of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, sequela
- T44.3X6AUnderdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, initial encounter
- T44.3X6DUnderdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, subsequent encounter
- T44.3X6SUnderdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, sequela
T44.4…
18 codes
- T44.4X1APoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), initial encounter
- T44.4X1DPoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), subsequent encounter
- T44.4X1SPoisoning by predominantly alpha-adrenoreceptor agonists, accidental (unintentional), sequela
- T44.4X2APoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, initial encounter
- T44.4X2DPoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, subsequent encounter
- T44.4X2SPoisoning by predominantly alpha-adrenoreceptor agonists, intentional self-harm, sequela
- T44.4X3APoisoning by predominantly alpha-adrenoreceptor agonists, assault, initial encounter
- T44.4X3DPoisoning by predominantly alpha-adrenoreceptor agonists, assault, subsequent encounter
- T44.4X3SPoisoning by predominantly alpha-adrenoreceptor agonists, assault, sequela
- T44.4X4APoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, initial encounter
- T44.4X4DPoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, subsequent encounter
- T44.4X4SPoisoning by predominantly alpha-adrenoreceptor agonists, undetermined, sequela
- T44.4X5AAdverse effect of predominantly alpha-adrenoreceptor agonists, initial encounter
- T44.4X5DAdverse effect of predominantly alpha-adrenoreceptor agonists, subsequent encounter
- T44.4X5SAdverse effect of predominantly alpha-adrenoreceptor agonists, sequela
- T44.4X6AUnderdosing of predominantly alpha-adrenoreceptor agonists, initial encounter
- T44.4X6DUnderdosing of predominantly alpha-adrenoreceptor agonists, subsequent encounter
- T44.4X6SUnderdosing of predominantly alpha-adrenoreceptor agonists, sequela
T44.5…
18 codes
- T44.5X1APoisoning by predominantly beta-adrenoreceptor agonists, accidental (unintentional), initial encounter
- T44.5X1DPoisoning by predominantly beta-adrenoreceptor agonists, accidental (unintentional), subsequent encounter
- T44.5X1SPoisoning by predominantly beta-adrenoreceptor agonists, accidental (unintentional), sequela
- T44.5X2APoisoning by predominantly beta-adrenoreceptor agonists, intentional self-harm, initial encounter
- T44.5X2DPoisoning by predominantly beta-adrenoreceptor agonists, intentional self-harm, subsequent encounter
- T44.5X2SPoisoning by predominantly beta-adrenoreceptor agonists, intentional self-harm, sequela
- T44.5X3APoisoning by predominantly beta-adrenoreceptor agonists, assault, initial encounter
- T44.5X3DPoisoning by predominantly beta-adrenoreceptor agonists, assault, subsequent encounter
- T44.5X3SPoisoning by predominantly beta-adrenoreceptor agonists, assault, sequela
- T44.5X4APoisoning by predominantly beta-adrenoreceptor agonists, undetermined, initial encounter
- T44.5X4DPoisoning by predominantly beta-adrenoreceptor agonists, undetermined, subsequent encounter
- T44.5X4SPoisoning by predominantly beta-adrenoreceptor agonists, undetermined, sequela
- T44.5X5AAdverse effect of predominantly beta-adrenoreceptor agonists, initial encounter
- T44.5X5DAdverse effect of predominantly beta-adrenoreceptor agonists, subsequent encounter
- T44.5X5SAdverse effect of predominantly beta-adrenoreceptor agonists, sequela
- T44.5X6AUnderdosing of predominantly beta-adrenoreceptor agonists, initial encounter
- T44.5X6DUnderdosing of predominantly beta-adrenoreceptor agonists, subsequent encounter
- T44.5X6SUnderdosing of predominantly beta-adrenoreceptor agonists, sequela
T44.6…
18 codes
- T44.6X1APoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), initial encounter
- T44.6X1DPoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), subsequent encounter
- T44.6X1SPoisoning by alpha-adrenoreceptor antagonists, accidental (unintentional), sequela
- T44.6X2APoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, initial encounter
- T44.6X2DPoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, subsequent encounter
- T44.6X2SPoisoning by alpha-adrenoreceptor antagonists, intentional self-harm, sequela
- T44.6X3APoisoning by alpha-adrenoreceptor antagonists, assault, initial encounter
- T44.6X3DPoisoning by alpha-adrenoreceptor antagonists, assault, subsequent encounter
- T44.6X3SPoisoning by alpha-adrenoreceptor antagonists, assault, sequela
- T44.6X4APoisoning by alpha-adrenoreceptor antagonists, undetermined, initial encounter
- T44.6X4DPoisoning by alpha-adrenoreceptor antagonists, undetermined, subsequent encounter
- T44.6X4SPoisoning by alpha-adrenoreceptor antagonists, undetermined, sequela
- T44.6X5AAdverse effect of alpha-adrenoreceptor antagonists, initial encounter
- T44.6X5DAdverse effect of alpha-adrenoreceptor antagonists, subsequent encounter
- T44.6X5SAdverse effect of alpha-adrenoreceptor antagonists, sequela
- T44.6X6AUnderdosing of alpha-adrenoreceptor antagonists, initial encounter
- T44.6X6DUnderdosing of alpha-adrenoreceptor antagonists, subsequent encounter
- T44.6X6SUnderdosing of alpha-adrenoreceptor antagonists, sequela
T44.7…
18 codes
- T44.7X1APoisoning by beta-adrenoreceptor antagonists, accidental (unintentional), initial encounter
- T44.7X1DPoisoning by beta-adrenoreceptor antagonists, accidental (unintentional), subsequent encounter
- T44.7X1SPoisoning by beta-adrenoreceptor antagonists, accidental (unintentional), sequela
- T44.7X2APoisoning by beta-adrenoreceptor antagonists, intentional self-harm, initial encounter
- T44.7X2DPoisoning by beta-adrenoreceptor antagonists, intentional self-harm, subsequent encounter
- T44.7X2SPoisoning by beta-adrenoreceptor antagonists, intentional self-harm, sequela
- T44.7X3APoisoning by beta-adrenoreceptor antagonists, assault, initial encounter
- T44.7X3DPoisoning by beta-adrenoreceptor antagonists, assault, subsequent encounter
- T44.7X3SPoisoning by beta-adrenoreceptor antagonists, assault, sequela
- T44.7X4APoisoning by beta-adrenoreceptor antagonists, undetermined, initial encounter
- T44.7X4DPoisoning by beta-adrenoreceptor antagonists, undetermined, subsequent encounter
- T44.7X4SPoisoning by beta-adrenoreceptor antagonists, undetermined, sequela
- T44.7X5AAdverse effect of beta-adrenoreceptor antagonists, initial encounter
- T44.7X5DAdverse effect of beta-adrenoreceptor antagonists, subsequent encounter
- T44.7X5SAdverse effect of beta-adrenoreceptor antagonists, sequela
- T44.7X6AUnderdosing of beta-adrenoreceptor antagonists, initial encounter
- T44.7X6DUnderdosing of beta-adrenoreceptor antagonists, subsequent encounter
- T44.7X6SUnderdosing of beta-adrenoreceptor antagonists, sequela
T44.8…
18 codes
- T44.8X1APoisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), initial encounter
- T44.8X1DPoisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), subsequent encounter
- T44.8X1SPoisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), sequela
- T44.8X2APoisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, initial encounter
- T44.8X2DPoisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, subsequent encounter
- T44.8X2SPoisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, sequela
- T44.8X3APoisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, initial encounter
- T44.8X3DPoisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, subsequent encounter
- T44.8X3SPoisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, sequela
- T44.8X4APoisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, initial encounter
- T44.8X4DPoisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, subsequent encounter
- T44.8X4SPoisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, sequela
- T44.8X5AAdverse effect of centrally-acting and adrenergic-neuron-blocking agents, initial encounter
- T44.8X5DAdverse effect of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter
- T44.8X5SAdverse effect of centrally-acting and adrenergic-neuron-blocking agents, sequela
- T44.8X6AUnderdosing of centrally-acting and adrenergic-neuron-blocking agents, initial encounter
- T44.8X6DUnderdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter
- T44.8X6SUnderdosing of centrally-acting and adrenergic-neuron-blocking agents, sequela
T44.9…
36 codes
- T44.901APoisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
- T44.901DPoisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), subsequent encounter
- T44.901SPoisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), sequela
- T44.902APoisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, initial encounter
- T44.902DPoisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, subsequent encounter
- T44.902SPoisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, sequela
- T44.903APoisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, initial encounter
- T44.903DPoisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, subsequent encounter
- T44.903SPoisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, sequela
- T44.904APoisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, initial encounter
- T44.904DPoisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, subsequent encounter
- T44.904SPoisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, sequela
- T44.905AAdverse effect of unspecified drugs primarily affecting the autonomic nervous system, initial encounter
- T44.905DAdverse effect of unspecified drugs primarily affecting the autonomic nervous system, subsequent encounter
- T44.905SAdverse effect of unspecified drugs primarily affecting the autonomic nervous system, sequela
- T44.906AUnderdosing of unspecified drugs primarily affecting the autonomic nervous system, initial encounter
- T44.906DUnderdosing of unspecified drugs primarily affecting the autonomic nervous system, subsequent encounter
- T44.906SUnderdosing of unspecified drugs primarily affecting the autonomic nervous system, sequela
- T44.991APoisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
- T44.991DPoisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), subsequent encounter
- T44.991SPoisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), sequela
- T44.992APoisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, initial encounter
- T44.992DPoisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, subsequent encounter
- T44.992SPoisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, sequela
- T44.993APoisoning by other drug primarily affecting the autonomic nervous system, assault, initial encounter
- T44.993DPoisoning by other drug primarily affecting the autonomic nervous system, assault, subsequent encounter
- T44.993SPoisoning by other drug primarily affecting the autonomic nervous system, assault, sequela
- T44.994APoisoning by other drug primarily affecting the autonomic nervous system, undetermined, initial encounter
- T44.994DPoisoning by other drug primarily affecting the autonomic nervous system, undetermined, subsequent encounter
- T44.994SPoisoning by other drug primarily affecting the autonomic nervous system, undetermined, sequela
- T44.995AAdverse effect of other drug primarily affecting the autonomic nervous system, initial encounter
- T44.995DAdverse effect of other drug primarily affecting the autonomic nervous system, subsequent encounter
- T44.995SAdverse effect of other drug primarily affecting the autonomic nervous system, sequela
- T44.996AUnderdosing of other drug primarily affecting the autonomic nervous system, initial encounter
- T44.996DUnderdosing of other drug primarily affecting the autonomic nervous system, subsequent encounter
- T44.996SUnderdosing of other drug primarily affecting the autonomic nervous system, sequela
Outside the US? T44 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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