T44.4
Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonists
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T44.4code
Inclusion terms
- Poisoning by, adverse effect of and underdosing of metaraminol
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 9 same parent — T44
T44.0 Anticholinesterase agents category T44.1 Parasympathomimetics category T44.2 Ganglionic blocking drugs category T44.3 Parasympatholytics and spasmolytics category T44.5 Predominantly beta-adrenoreceptor agonists category T44.6 Alpha-adrenoreceptor antagonists category T44.7 Beta-adrenoreceptor antagonists category T44.8 Centrally-acting and adrenergic-neuron- blocking agents category T44.9 And unsp drugs aff the autonomic nervous system category
Subordinate codes 1
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.