ICD-10-CM Diagnosis Code (2025)
Official Description for T44
Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
Coding Notes & Guidelines for T44
poisoning by, adverse effect of and underdosing of beta-adrenoreceptor agonists used in asthma therapy (T48.6-)
poisoning by, adverse effect of and underdosing of ergot alkaloids (T48.0)
- poisoning by, adverse effect of and underdosing of clonidine (T46.5)
- poisoning by, adverse effect of and underdosing of guanethidine (T46.5)
Poisoning by anticholinesterase agents NOS
Poisoning by other parasympathomimetics [cholinergics] NOS
Poisoning by ganglionic blocking drugs NOS
Poisoning by, adverse effect of and underdosing of papaverine
Poisoning by other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics NOS
Poisoning by, adverse effect of and underdosing of metaraminol
Poisoning by predominantly alpha-adrenoreceptor agonists NOS
Poisoning by predominantly beta-adrenoreceptor agonists NOS
Poisoning by alpha-adrenoreceptor antagonists NOS
Poisoning by beta-adrenoreceptor antagonists NOS
Poisoning by centrally-acting and adrenergic-neuron-blocking agents NOS
Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors
Poisoning by unspecified drugs primarily affecting the autonomic nervous system NOS
Poisoning by other drugs primarily affecting the autonomic nervous system NOS
The appropriate 7th character is to be added to each code from category T44
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for T44):
About ICD-10-CM Code T44 (Poisoning by)
ICD-10-CM code T44 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T44 became effective on October 1, 2024.
This page provides detailed information about T44 - Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Poisoning by related to adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system.