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


The ICD 10 Code for Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system is listed as T44.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: T44
Description: Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
  • The appropriate 7th character is to be added to each code from category T44
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
Chapter Injury, poisoning and certain other consequences of external causes (S00-T88)
ICD-10-CM Children (deeper level / typically more specific) of T44:
T44.0 - Poisoning by, adverse effect of and underdosing of anticholinesterase agents
T44.1 - Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics]
T44.2 - Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs
T44.3 - Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics
T44.4 - Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists
T44.5 - Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists
T44.6 - Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists
T44.7 - Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists
T44.8 - Poisoning by, adverse effect of and 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