T44.9

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system

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

Includes
  • Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors
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
T44.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous systemNot billable
T44.90Poisoning by, adverse effect of and underdosing of unspecified drugs primarily affecting the autonomic nervous systemSubcodes
T44.99Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous systemSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T44.9:

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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