| Code | Title | 
					
				| – | All Chapters | 
		
									
					| S00-T88 | Injury, poisoning and certain other consequences of external causes (S00-T88) | 
												
					| T36-T50 | Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) | 
												
					| T40 | Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens] | 
												
					| 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) | 
												
					| 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 |