T40 | 
		  | 
		Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]   | 
	
	
		 |  | 
		
	
		| Excludes2 | 
		drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)
  | 
	 
	
		| char7Note | 
		The appropriate 7th character is to be added to each code from category T40
  | 
	 
	
		| char7Def | 
		A: initial encounter D: subsequent encounter S: sequela
  | 
	 
 
 | 
	
 |  | 
	
		 T40.0 | 
		 | 
		Poisoning by, adverse effect of and underdosing of opium | 
	 
 |  | 
	
		 T40.0X | 
		 | 
		Poisoning by, adverse effect of and underdosing of opium | 
	 
 |  | 
	
		 T40.0X1 | 
		  | 
		Poisoning by opium, accidental (unintentional) | 
	 
	
		 |  | 
		
 | 
	   |   |  | 
	
		 T40.0X2 | 
		 | 
		Poisoning by opium, intentional self-harm | 
	 
  |   |  | 
	
		 T40.0X3 | 
		 | 
		Poisoning by opium, assault | 
	 
  |   |  | 
	
		 T40.0X4 | 
		 | 
		Poisoning by opium, undetermined | 
	 
  |   |  | 
	
		 T40.0X5 | 
		 | 
		Adverse effect of opium | 
	 
  |   |  | 
	
		 T40.0X6 | 
		 | 
		Underdosing of opium | 
	 
  |    |    | 
 |  | 
	
		 T40.1 | 
		 | 
		Poisoning by and adverse effect of heroin | 
	 
 |  | 
	
		 T40.1X | 
		 | 
		Poisoning by and adverse effect of heroin | 
	 
 |  | 
	
		 T40.1X1 | 
		  | 
		Poisoning by heroin, accidental (unintentional) | 
	 
	
		 |  | 
		
 | 
	   |   |  | 
	
		 T40.1X2 | 
		 | 
		Poisoning by heroin, intentional self-harm | 
	 
  |   |  | 
	
		 T40.1X3 | 
		 | 
		Poisoning by heroin, assault | 
	 
  |   |  | 
	
		 T40.1X4 | 
		 | 
		Poisoning by heroin, undetermined | 
	 
  |    |    | 
 |  | 
	
		 T40.2 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other opioids | 
	 
 |  | 
	
		 T40.2X | 
		 | 
		Poisoning by, adverse effect of and underdosing of other opioids | 
	 
 |  | 
	
		 T40.2X1 | 
		  | 
		Poisoning by other opioids, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other opioids NOS |   
 | 
	   |   |  | 
	
		 T40.2X2 | 
		 | 
		Poisoning by other opioids, intentional self-harm | 
	 
  |   |  | 
	
		 T40.2X3 | 
		 | 
		Poisoning by other opioids, assault | 
	 
  |   |  | 
	
		 T40.2X4 | 
		 | 
		Poisoning by other opioids, undetermined | 
	 
  |   |  | 
	
		 T40.2X5 | 
		 | 
		Adverse effect of other opioids | 
	 
  |   |  | 
	
		 T40.2X6 | 
		 | 
		Underdosing of other opioids | 
	 
  |    |    | 
 |  | 
	
		 T40.3 | 
		 | 
		Poisoning by, adverse effect of and underdosing of methadone | 
	 
 |  | 
	
		 T40.3X | 
		 | 
		Poisoning by, adverse effect of and underdosing of methadone | 
	 
 |  | 
	
		 T40.3X1 | 
		  | 
		Poisoning by methadone, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by methadone NOS |   
 | 
	   |   |  | 
	
		 T40.3X2 | 
		 | 
		Poisoning by methadone, intentional self-harm | 
	 
  |   |  | 
	
		 T40.3X3 | 
		 | 
		Poisoning by methadone, assault | 
	 
  |   |  | 
	
		 T40.3X4 | 
		 | 
		Poisoning by methadone, undetermined | 
	 
  |   |  | 
	
		 T40.3X5 | 
		 | 
		Adverse effect of methadone | 
	 
  |   |  | 
	
		 T40.3X6 | 
		 | 
		Underdosing of methadone | 
	 
  |    |    | 
 |  | 
	
		 T40.4 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other synthetic narcotics | 
	 
 |  | 
	
		 T40.41 | 
		 | 
		Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs | 
	 
 |  | 
	
		 T40.411 | 
		 | 
		Poisoning by fentanyl or fentanyl analogs, accidental (unintentional) | 
	 
  |   |  | 
	
		 T40.412 | 
		 | 
		Poisoning by fentanyl or fentanyl analogs, intentional self-harm | 
	 
  |   |  | 
	
		 T40.413 | 
		 | 
		Poisoning by fentanyl or fentanyl analogs, assault | 
	 
  |   |  | 
	
		 T40.414 | 
		 | 
		Poisoning by fentanyl or fentanyl analogs, undetermined | 
	 
  |   |  | 
	
		 T40.415 | 
		 | 
		Adverse effect of fentanyl or fentanyl analogs | 
	 
  |   |  | 
	
		 T40.416 | 
		 | 
		Underdosing of fentanyl or fentanyl analogs | 
	 
  |    |   |  | 
	
		 T40.42 | 
		 | 
		Poisoning by, adverse effect of and underdosing of tramadol | 
	 
 |  | 
	
		 T40.421 | 
		 | 
		Poisoning by tramadol, accidental (unintentional) | 
	 
  |   |  | 
	
		 T40.422 | 
		 | 
		Poisoning by tramadol, intentional self-harm | 
	 
  |   |  | 
	
		 T40.423 | 
		 | 
		Poisoning by tramadol, assault | 
	 
  |   |  | 
	
		 T40.424 | 
		 | 
		Poisoning by tramadol, undetermined | 
	 
  |   |  | 
	
		 T40.425 | 
		 | 
		Adverse effect of tramadol | 
	 
  |   |  | 
	
		 T40.426 | 
		 | 
		Underdosing of tramadol | 
	 
  |    |   |  | 
	
		 T40.49 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other synthetic narcotics | 
	 
 |  | 
	
		 T40.491 | 
		  | 
		Poisoning by other synthetic narcotics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other synthetic narcotics NOS |   
 | 
	   |   |  | 
	
		 T40.492 | 
		 | 
		Poisoning by other synthetic narcotics, intentional self-harm | 
	 
  |   |  | 
	
		 T40.493 | 
		 | 
		Poisoning by other synthetic narcotics, assault | 
	 
  |   |  | 
	
		 T40.494 | 
		 | 
		Poisoning by other synthetic narcotics, undetermined | 
	 
  |   |  | 
	
		 T40.495 | 
		 | 
		Adverse effect of other synthetic narcotics | 
	 
  |   |  | 
	
		 T40.496 | 
		 | 
		Underdosing of other synthetic narcotics | 
	 
  |    |    | 
 |  | 
	
		 T40.5 | 
		 | 
		Poisoning by, adverse effect of and underdosing of cocaine | 
	 
 |  | 
	
		 T40.5X | 
		 | 
		Poisoning by, adverse effect of and underdosing of cocaine | 
	 
 |  | 
	
		 T40.5X1 | 
		  | 
		Poisoning by cocaine, accidental (unintentional) | 
	 
	
		 |  | 
		
 | 
	   |   |  | 
	
		 T40.5X2 | 
		 | 
		Poisoning by cocaine, intentional self-harm | 
	 
  |   |  | 
	
		 T40.5X3 | 
		 | 
		Poisoning by cocaine, assault | 
	 
  |   |  | 
	
		 T40.5X4 | 
		 | 
		Poisoning by cocaine, undetermined | 
	 
  |   |  | 
	
		 T40.5X5 | 
		 | 
		Adverse effect of cocaine | 
	 
  |   |  | 
	
		 T40.5X6 | 
		 | 
		Underdosing of cocaine | 
	 
  |    |    | 
 |  | 
	
		 T40.6 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other and unspecified narcotics | 
	 
 |  | 
	
		 T40.60 | 
		 | 
		Poisoning by, adverse effect of and underdosing of unspecified narcotics | 
	 
 |  | 
	
		 T40.601 | 
		  | 
		Poisoning by unspecified narcotics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by narcotics NOS |   
 | 
	   |   |  | 
	
		 T40.602 | 
		 | 
		Poisoning by unspecified narcotics, intentional self-harm | 
	 
  |   |  | 
	
		 T40.603 | 
		 | 
		Poisoning by unspecified narcotics, assault | 
	 
  |   |  | 
	
		 T40.604 | 
		 | 
		Poisoning by unspecified narcotics, undetermined | 
	 
  |   |  | 
	
		 T40.605 | 
		 | 
		Adverse effect of unspecified narcotics | 
	 
  |   |  | 
	
		 T40.606 | 
		 | 
		Underdosing of unspecified narcotics | 
	 
  |    |   |  | 
	
		 T40.69 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other narcotics | 
	 
 |  | 
	
		 T40.691 | 
		  | 
		Poisoning by other narcotics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other narcotics NOS |   
 | 
	   |   |  | 
	
		 T40.692 | 
		 | 
		Poisoning by other narcotics, intentional self-harm | 
	 
  |   |  | 
	
		 T40.693 | 
		 | 
		Poisoning by other narcotics, assault | 
	 
  |   |  | 
	
		 T40.694 | 
		 | 
		Poisoning by other narcotics, undetermined | 
	 
  |   |  | 
	
		 T40.695 | 
		 | 
		Adverse effect of other narcotics | 
	 
  |   |  | 
	
		 T40.696 | 
		 | 
		Underdosing of other narcotics | 
	 
  |    |    | 
 |  | 
	
		 T40.7 | 
		 | 
		Poisoning by, adverse effect of and underdosing of cannabis (derivatives) | 
	 
 |  | 
	
		 T40.71 | 
		 | 
		Poisoning by, adverse effect of and underdosing of cannabis (derivatives) | 
	 
 |  | 
	
		 T40.711 | 
		 | 
		Poisoning by cannabis, accidental (unintentional) | 
	 
  |   |  | 
	
		 T40.712 | 
		 | 
		Poisoning by cannabis, intentional self-harm | 
	 
  |   |  | 
	
		 T40.713 | 
		 | 
		Poisoning by cannabis, assault | 
	 
  |   |  | 
	
		 T40.714 | 
		 | 
		Poisoning by cannabis, undetermined | 
	 
  |   |  | 
	
		 T40.715 | 
		 | 
		Adverse effect of cannabis | 
	 
  |   |  | 
	
		 T40.716 | 
		 | 
		Underdosing of cannabis | 
	 
  |    |   |  | 
	
		 T40.72 | 
		 | 
		Poisoning by, adverse effect of and underdosing of synthetic cannabinoids | 
	 
 |  | 
	
		 T40.721 | 
		 | 
		Poisoning by synthetic cannabinoids, accidental (unintentional) | 
	 
  |   |  | 
	
		 T40.722 | 
		 | 
		Poisoning by synthetic cannabinoids, intentional self-harm | 
	 
  |   |  | 
	
		 T40.723 | 
		 | 
		Poisoning by synthetic cannabinoids, assault | 
	 
  |   |  | 
	
		 T40.724 | 
		 | 
		Poisoning by synthetic cannabinoids, undetermined | 
	 
  |   |  | 
	
		 T40.725 | 
		 | 
		Adverse effect of synthetic cannabinoids | 
	 
  |   |  | 
	
		 T40.726 | 
		 | 
		Underdosing of synthetic cannabinoids | 
	 
  |    |    | 
 |  | 
	
		 T40.8 | 
		 | 
		Poisoning by and adverse effect of lysergide [LSD] | 
	 
 |  | 
	
		 T40.8X | 
		 | 
		Poisoning by and adverse effect of lysergide [LSD] | 
	 
 |  | 
	
		 T40.8X1 | 
		  | 
		Poisoning by lysergide [LSD], accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by lysergide [LSD] NOS |   
 | 
	   |   |  | 
	
		 T40.8X2 | 
		 | 
		Poisoning by lysergide [LSD], intentional self-harm | 
	 
  |   |  | 
	
		 T40.8X3 | 
		 | 
		Poisoning by lysergide [LSD], assault | 
	 
  |   |  | 
	
		 T40.8X4 | 
		 | 
		Poisoning by lysergide [LSD], undetermined | 
	 
  |    |    | 
 |  | 
	
		 T40.9 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens] | 
	 
 |  | 
	
		 T40.90 | 
		 | 
		Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens] | 
	 
 |  | 
	
		 T40.901 | 
		 | 
		Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional) | 
	 
  |   |  | 
	
		 T40.902 | 
		 | 
		Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm | 
	 
  |   |  | 
	
		 T40.903 | 
		 | 
		Poisoning by unspecified psychodysleptics [hallucinogens], assault | 
	 
  |   |  | 
	
		 T40.904 | 
		 | 
		Poisoning by unspecified psychodysleptics [hallucinogens], undetermined | 
	 
  |   |  | 
	
		 T40.905 | 
		 | 
		Adverse effect of unspecified psychodysleptics [hallucinogens] | 
	 
  |   |  | 
	
		 T40.906 | 
		 | 
		Underdosing of unspecified psychodysleptics [hallucinogens] | 
	 
  |    |   |  | 
	
		 T40.99 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens] | 
	 
 |  | 
	
		 T40.991 | 
		  | 
		Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other psychodysleptics [hallucinogens] NOS |   
 | 
	   |   |  | 
	
		 T40.992 | 
		 | 
		Poisoning by other psychodysleptics [hallucinogens], intentional self-harm | 
	 
  |   |  | 
	
		 T40.993 | 
		 | 
		Poisoning by other psychodysleptics [hallucinogens], assault | 
	 
  |   |  | 
	
		 T40.994 | 
		 | 
		Poisoning by other psychodysleptics [hallucinogens], undetermined | 
	 
  |   |  | 
	
		 T40.995 | 
		 | 
		Adverse effect of other psychodysleptics [hallucinogens] | 
	 
  |   |  | 
	
		 T40.996 | 
		 | 
		Underdosing of other psychodysleptics [hallucinogens] | 
	 
  |    |    |