T44.8

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • poisoning by, adverse effect of and underdosing of clonidine (T46.5)
  • poisoning by, adverse effect of and underdosing of guanethidine (T46.5)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T44Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
T44.8Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agentsNot billable
T44.8XPoisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agentsSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T44.8:

blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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