T41 | 
		  | 
		Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases   | 
	
	
		 |  | 
		
	
		| Excludes1 | 
		benzodiazepines (T42.4-) cocaine (T40.5-) complications of anesthesia during pregnancy (O29.-) complications of anesthesia during labor and delivery (O74.-) complications of anesthesia during the puerperium (O89.-) opioids (T40.0-T40.2-)
  | 
	 
	
		| char7Note | 
		The appropriate 7th character is to be added to each code from category T41
  | 
	 
	
		| char7Def | 
		A: initial encounter D: subsequent encounter S: sequela
  | 
	 
 
 | 
	
 |  | 
	
		 T41.0 | 
		  | 
		Poisoning by, adverse effect of and underdosing of inhaled anesthetics | 
	 
	
		 |  | 
		
 | 
	  |  | 
	
		 T41.0X | 
		 | 
		Poisoning by, adverse effect of and underdosing of inhaled anesthetics | 
	 
 |  | 
	
		 T41.0X1 | 
		  | 
		Poisoning by inhaled anesthetics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by inhaled anesthetics NOS |   
 | 
	   |   |  | 
	
		 T41.0X2 | 
		 | 
		Poisoning by inhaled anesthetics, intentional self-harm | 
	 
  |   |  | 
	
		 T41.0X3 | 
		 | 
		Poisoning by inhaled anesthetics, assault | 
	 
  |   |  | 
	
		 T41.0X4 | 
		 | 
		Poisoning by inhaled anesthetics, undetermined | 
	 
  |   |  | 
	
		 T41.0X5 | 
		 | 
		Adverse effect of inhaled anesthetics | 
	 
  |   |  | 
	
		 T41.0X6 | 
		 | 
		Underdosing of inhaled anesthetics | 
	 
  |    |    | 
 |  | 
	
		 T41.1 | 
		  | 
		Poisoning by, adverse effect of and underdosing of intravenous anesthetics | 
	 
	
		 |  | 
		
| Poisoning by, adverse effect of and underdosing of thiobarbiturates |   
 | 
	  |  | 
	
		 T41.1X | 
		 | 
		Poisoning by, adverse effect of and underdosing of intravenous anesthetics | 
	 
 |  | 
	
		 T41.1X1 | 
		  | 
		Poisoning by intravenous anesthetics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by intravenous anesthetics NOS |   
 | 
	   |   |  | 
	
		 T41.1X2 | 
		 | 
		Poisoning by intravenous anesthetics, intentional self-harm | 
	 
  |   |  | 
	
		 T41.1X3 | 
		 | 
		Poisoning by intravenous anesthetics, assault | 
	 
  |   |  | 
	
		 T41.1X4 | 
		 | 
		Poisoning by intravenous anesthetics, undetermined | 
	 
  |   |  | 
	
		 T41.1X5 | 
		 | 
		Adverse effect of intravenous anesthetics | 
	 
  |   |  | 
	
		 T41.1X6 | 
		 | 
		Underdosing of intravenous anesthetics | 
	 
  |    |    | 
 |  | 
	
		 T41.2 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other and unspecified general anesthetics | 
	 
 |  | 
	
		 T41.20 | 
		 | 
		Poisoning by, adverse effect of and underdosing of unspecified general anesthetics | 
	 
 |  | 
	
		 T41.201 | 
		  | 
		Poisoning by unspecified general anesthetics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by general anesthetics NOS |   
 | 
	   |   |  | 
	
		 T41.202 | 
		 | 
		Poisoning by unspecified general anesthetics, intentional self-harm | 
	 
  |   |  | 
	
		 T41.203 | 
		 | 
		Poisoning by unspecified general anesthetics, assault | 
	 
  |   |  | 
	
		 T41.204 | 
		 | 
		Poisoning by unspecified general anesthetics, undetermined | 
	 
  |   |  | 
	
		 T41.205 | 
		 | 
		Adverse effect of unspecified general anesthetics | 
	 
  |   |  | 
	
		 T41.206 | 
		 | 
		Underdosing of unspecified general anesthetics | 
	 
  |    |   |  | 
	
		 T41.29 | 
		 | 
		Poisoning by, adverse effect of and underdosing of other general anesthetics | 
	 
 |  | 
	
		 T41.291 | 
		  | 
		Poisoning by other general anesthetics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by other general anesthetics NOS |   
 | 
	   |   |  | 
	
		 T41.292 | 
		 | 
		Poisoning by other general anesthetics, intentional self-harm | 
	 
  |   |  | 
	
		 T41.293 | 
		 | 
		Poisoning by other general anesthetics, assault | 
	 
  |   |  | 
	
		 T41.294 | 
		 | 
		Poisoning by other general anesthetics, undetermined | 
	 
  |   |  | 
	
		 T41.295 | 
		 | 
		Adverse effect of other general anesthetics | 
	 
  |   |  | 
	
		 T41.296 | 
		 | 
		Underdosing of other general anesthetics | 
	 
  |    |    | 
 |  | 
	
		 T41.3 | 
		  | 
		Poisoning by, adverse effect of and underdosing of local anesthetics | 
	 
	
		 |  | 
		
| Cocaine (topical) |  	
		| Excludes2 | 
		poisoning by cocaine used as a central nervous system stimulant (T40.5X1-T40.5X4)
  | 
	 
 
 | 
	  |  | 
	
		 T41.3X | 
		 | 
		Poisoning by, adverse effect of and underdosing of local anesthetics | 
	 
 |  | 
	
		 T41.3X1 | 
		  | 
		Poisoning by local anesthetics, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by local anesthetics NOS |   
 | 
	   |   |  | 
	
		 T41.3X2 | 
		 | 
		Poisoning by local anesthetics, intentional self-harm | 
	 
  |   |  | 
	
		 T41.3X3 | 
		 | 
		Poisoning by local anesthetics, assault | 
	 
  |   |  | 
	
		 T41.3X4 | 
		 | 
		Poisoning by local anesthetics, undetermined | 
	 
  |   |  | 
	
		 T41.3X5 | 
		 | 
		Adverse effect of local anesthetics | 
	 
  |   |  | 
	
		 T41.3X6 | 
		 | 
		Underdosing of local anesthetics | 
	 
  |    |    | 
 |  | 
	
		 T41.4 | 
		 | 
		Poisoning by, adverse effect of and underdosing of unspecified anesthetic | 
	 
 |  | 
	
		 T41.41 | 
		  | 
		Poisoning by unspecified anesthetic, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by anesthetic NOS |   
 | 
	   |   |  | 
	
		 T41.42 | 
		 | 
		Poisoning by unspecified anesthetic, intentional self-harm | 
	 
  |   |  | 
	
		 T41.43 | 
		 | 
		Poisoning by unspecified anesthetic, assault | 
	 
  |   |  | 
	
		 T41.44 | 
		 | 
		Poisoning by unspecified anesthetic, undetermined | 
	 
  |   |  | 
	
		 T41.45 | 
		 | 
		Adverse effect of unspecified anesthetic | 
	 
  |   |  | 
	
		 T41.46 | 
		 | 
		Underdosing of unspecified anesthetics | 
	 
  |    | 
 |  | 
	
		 T41.5 | 
		 | 
		Poisoning by, adverse effect of and underdosing of therapeutic gases | 
	 
 |  | 
	
		 T41.5X | 
		 | 
		Poisoning by, adverse effect of and underdosing of therapeutic gases | 
	 
 |  | 
	
		 T41.5X1 | 
		  | 
		Poisoning by therapeutic gases, accidental (unintentional) | 
	 
	
		 |  | 
		
| Poisoning by therapeutic gases NOS |   
 | 
	   |   |  | 
	
		 T41.5X2 | 
		 | 
		Poisoning by therapeutic gases, intentional self-harm | 
	 
  |   |  | 
	
		 T41.5X3 | 
		 | 
		Poisoning by therapeutic gases, assault | 
	 
  |   |  | 
	
		 T41.5X4 | 
		 | 
		Poisoning by therapeutic gases, undetermined | 
	 
  |   |  | 
	
		 T41.5X5 | 
		 | 
		Adverse effect of therapeutic gases | 
	 
  |   |  | 
	
		 T41.5X6 | 
		 | 
		Underdosing of therapeutic gases | 
	 
  |    |    |