T40

Non-billable

Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

Chapter 19:Injury, poisoning and other consequences of external causes

BILLABLE STATUSNo

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED08/26/2025

Code Description

ICD-10 T40 is a used to indicate a diagnosis of poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens].

Key Diagnostic Point:

Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]