T40.4

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by, adverse effect of and underdosing of other synthetic narcotics

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
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)
T40Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
T40.4Poisoning by, adverse effect of and underdosing of other synthetic narcoticsNot billable
T40.41Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogsSubcodes
T40.42Poisoning by, adverse effect of and underdosing of tramadolSubcodes
T40.49Poisoning by, adverse effect of and underdosing of other synthetic narcoticsSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T40.4:

categoryT40
Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
View context instructions
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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