Is T44 a billable code?
No. T44 is a header code that groups 198 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T44: Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T44 groups related diagnoses under poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T44
- 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
- T44.1X1APoisoning 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
- T44.2X1APoisoning 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
- T44.3X1APoisoning 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
- T44.4X1APoisoning 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
- T44.5X1APoisoning 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
- T44.6X1APoisoning 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
- T44.7X1APoisoning 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
- T44.8X1APoisoning 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
- T44.901APoisoning 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
T44 questions
What does T44 mean?
T44 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.