T44.6
T44.6: Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists
Non-billable headerICD-10-CM
T44.6 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T44
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- poisoning by, adverse effect of and underdosing of ergot alkaloids (T48.0)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T44.6
1 child code. Green means billable.
Other codes under T44
- T44.0Poisoning by, adverse effect of and underdosing of anticholinesterase agents
- T44.1Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics]
- T44.2Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs
- T44.3Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics
- T44.4Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists
- T44.5Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists
- T44.7Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists
- T44.8Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents
- T44.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system