|  T43 |  | Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified   | 
	
		|  |  | 
	
		| Excludes1 | appetite depressants (T50.5-) barbiturates (T42.3-)
 benzodiazepines (T42.4-)
 methaqualone (T42.6-)
 psychodysleptics [hallucinogens] (T40.7-T40.9-)
 
 |  
		| 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 T43 
 |  
		| char7Def | A: initial encounter D: subsequent encounter
 S: sequela
 
 |  | 
|  |  | 
	
		|  T43.0 |  | Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants |  |  |  | 
	
		|  T43.01 |  | Poisoning by, adverse effect of and underdosing of tricyclic antidepressants |  |  |  | 
	
		|  T43.011 |  | Poisoning by tricyclic antidepressants, accidental (unintentional) |  
		|  |  | 
| Poisoning by tricyclic antidepressants NOS |  |  |  |  |  | 
	
		|  T43.012 |  | Poisoning by tricyclic antidepressants, intentional self-harm |  |  |  |  | 
	
		|  T43.013 |  | Poisoning by tricyclic antidepressants, assault |  |  |  |  | 
	
		|  T43.014 |  | Poisoning by tricyclic antidepressants, undetermined |  |  |  |  | 
	
		|  T43.015 |  | Adverse effect of tricyclic antidepressants |  |  |  |  | 
	
		|  T43.016 |  | Underdosing of tricyclic antidepressants |  |  |  |  |  | 
	
		|  T43.02 |  | Poisoning by, adverse effect of and underdosing of tetracyclic antidepressants |  |  |  | 
	
		|  T43.021 |  | Poisoning by tetracyclic antidepressants, accidental (unintentional) |  
		|  |  | 
| Poisoning by tetracyclic antidepressants NOS |  |  |  |  |  | 
	
		|  T43.022 |  | Poisoning by tetracyclic antidepressants, intentional self-harm |  |  |  |  | 
	
		|  T43.023 |  | Poisoning by tetracyclic antidepressants, assault |  |  |  |  | 
	
		|  T43.024 |  | Poisoning by tetracyclic antidepressants, undetermined |  |  |  |  | 
	
		|  T43.025 |  | Adverse effect of tetracyclic antidepressants |  |  |  |  | 
	
		|  T43.026 |  | Underdosing of tetracyclic antidepressants |  |  |  | 
|  |  | 
	
		|  T43.1 |  | Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressants |  |  |  | 
	
		|  T43.1X |  | Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressants |  |  |  | 
	
		|  T43.1X1 |  | Poisoning by monoamine-oxidase-inhibitor antidepressants, accidental (unintentional) |  
		|  |  | 
| Poisoning by monoamine-oxidase-inhibitor antidepressants NOS |  |  |  |  |  | 
	
		|  T43.1X2 |  | Poisoning by monoamine-oxidase-inhibitor antidepressants, intentional self-harm |  |  |  |  | 
	
		|  T43.1X3 |  | Poisoning by monoamine-oxidase-inhibitor antidepressants, assault |  |  |  |  | 
	
		|  T43.1X4 |  | Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined |  |  |  |  | 
	
		|  T43.1X5 |  | Adverse effect of monoamine-oxidase-inhibitor antidepressants |  |  |  |  | 
	
		|  T43.1X6 |  | Underdosing of monoamine-oxidase-inhibitor antidepressants |  |  |  | 
|  |  | 
	
		|  T43.2 |  | Poisoning by, adverse effect of and underdosing of other and unspecified antidepressants |  |  |  | 
	
		|  T43.20 |  | Poisoning by, adverse effect of and underdosing of unspecified antidepressants |  |  |  | 
	
		|  T43.201 |  | Poisoning by unspecified antidepressants, accidental (unintentional) |  
		|  |  | 
| Poisoning by antidepressants NOS |  |  |  |  |  | 
	
		|  T43.202 |  | Poisoning by unspecified antidepressants, intentional self-harm |  |  |  |  | 
	
		|  T43.203 |  | Poisoning by unspecified antidepressants, assault |  |  |  |  | 
	
		|  T43.204 |  | Poisoning by unspecified antidepressants, undetermined |  |  |  |  | 
	
		|  T43.205 |  | Adverse effect of unspecified antidepressants |  
		|  |  | 
| Antidepressant discontinuation syndrome |  |  |  |  |  | 
	
		|  T43.206 |  | Underdosing of unspecified antidepressants |  |  |  |  |  | 
	
		|  T43.21 |  | Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors |  
		|  |  | 
| Poisoning by, adverse effect of and underdosing of SSNRI antidepressants |  |  |  |  | 
	
		|  T43.211 |  | Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional) |  |  |  |  | 
	
		|  T43.212 |  | Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm |  |  |  |  | 
	
		|  T43.213 |  | Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault |  |  |  |  | 
	
		|  T43.214 |  | Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined |  |  |  |  | 
	
		|  T43.215 |  | Adverse effect of selective serotonin and norepinephrine reuptake inhibitors |  |  |  |  | 
	
		|  T43.216 |  | Underdosing of selective serotonin and norepinephrine reuptake inhibitors |  |  |  |  |  | 
	
		|  T43.22 |  | Poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitors |  
		|  |  | 
| Poisoning by, adverse effect of and underdosing of SSRI antidepressants |  |  |  |  | 
	
		|  T43.221 |  | Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional) |  |  |  |  | 
	
		|  T43.222 |  | Poisoning by selective serotonin reuptake inhibitors, intentional self-harm |  |  |  |  | 
	
		|  T43.223 |  | Poisoning by selective serotonin reuptake inhibitors, assault |  |  |  |  | 
	
		|  T43.224 |  | Poisoning by selective serotonin reuptake inhibitors, undetermined |  |  |  |  | 
	
		|  T43.225 |  | Adverse effect of selective serotonin reuptake inhibitors |  |  |  |  | 
	
		|  T43.226 |  | Underdosing of selective serotonin reuptake inhibitors |  |  |  |  |  | 
	
		|  T43.29 |  | Poisoning by, adverse effect of and underdosing of other antidepressants |  |  |  | 
	
		|  T43.291 |  | Poisoning by other antidepressants, accidental (unintentional) |  
		|  |  | 
| Poisoning by other antidepressants NOS |  |  |  |  |  | 
	
		|  T43.292 |  | Poisoning by other antidepressants, intentional self-harm |  |  |  |  | 
	
		|  T43.293 |  | Poisoning by other antidepressants, assault |  |  |  |  | 
	
		|  T43.294 |  | Poisoning by other antidepressants, undetermined |  |  |  |  | 
	
		|  T43.295 |  | Adverse effect of other antidepressants |  |  |  |  | 
	
		|  T43.296 |  | Underdosing of other antidepressants |  |  |  | 
|  |  | 
	
		|  T43.3 |  | Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neuroleptics |  |  |  | 
	
		|  T43.3X |  | Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neuroleptics |  |  |  | 
	
		|  T43.3X1 |  | Poisoning by phenothiazine antipsychotics and neuroleptics, accidental (unintentional) |  
		|  |  | 
| Poisoning by phenothiazine antipsychotics and neuroleptics NOS |  |  |  |  |  | 
	
		|  T43.3X2 |  | Poisoning by phenothiazine antipsychotics and neuroleptics, intentional self-harm |  |  |  |  | 
	
		|  T43.3X3 |  | Poisoning by phenothiazine antipsychotics and neuroleptics, assault |  |  |  |  | 
	
		|  T43.3X4 |  | Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined |  |  |  |  | 
	
		|  T43.3X5 |  | Adverse effect of phenothiazine antipsychotics and neuroleptics |  |  |  |  | 
	
		|  T43.3X6 |  | Underdosing of phenothiazine antipsychotics and neuroleptics |  |  |  | 
|  |  | 
	
		|  T43.4 |  | Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics |  |  |  | 
	
		|  T43.4X |  | Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics |  |  |  | 
	
		|  T43.4X1 |  | Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional) |  
		|  |  | 
| Poisoning by butyrophenone and thiothixene neuroleptics NOS |  |  |  |  |  | 
	
		|  T43.4X2 |  | Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm |  |  |  |  | 
	
		|  T43.4X3 |  | Poisoning by butyrophenone and thiothixene neuroleptics, assault |  |  |  |  | 
	
		|  T43.4X4 |  | Poisoning by butyrophenone and thiothixene neuroleptics, undetermined |  |  |  |  | 
	
		|  T43.4X5 |  | Adverse effect of butyrophenone and thiothixene neuroleptics |  |  |  |  | 
	
		|  T43.4X6 |  | Underdosing of butyrophenone and thiothixene neuroleptics |  |  |  | 
|  |  | 
	
		|  T43.5 |  | Poisoning by, adverse effect of and underdosing of other and unspecified antipsychotics and neuroleptics |  
		|  |  | 
	
		| Excludes1 | poisoning by, adverse effect of and underdosing of rauwolfia (T46.5-) 
 |  |  |  |  | 
	
		|  T43.50 |  | Poisoning by, adverse effect of and underdosing of unspecified antipsychotics and neuroleptics |  |  |  | 
	
		|  T43.501 |  | Poisoning by unspecified antipsychotics and neuroleptics, accidental (unintentional) |  
		|  |  | 
| Poisoning by antipsychotics and neuroleptics NOS |  |  |  |  |  | 
	
		|  T43.502 |  | Poisoning by unspecified antipsychotics and neuroleptics, intentional self-harm |  |  |  |  | 
	
		|  T43.503 |  | Poisoning by unspecified antipsychotics and neuroleptics, assault |  |  |  |  | 
	
		|  T43.504 |  | Poisoning by unspecified antipsychotics and neuroleptics, undetermined |  |  |  |  | 
	
		|  T43.505 |  | Adverse effect of unspecified antipsychotics and neuroleptics |  |  |  |  | 
	
		|  T43.506 |  | Underdosing of unspecified antipsychotics and neuroleptics |  |  |  |  |  | 
	
		|  T43.59 |  | Poisoning by, adverse effect of and underdosing of other antipsychotics and neuroleptics |  |  |  | 
	
		|  T43.591 |  | Poisoning by other antipsychotics and neuroleptics, accidental (unintentional) |  
		|  |  | 
| Poisoning by other antipsychotics and neuroleptics NOS |  |  |  |  |  | 
	
		|  T43.592 |  | Poisoning by other antipsychotics and neuroleptics, intentional self-harm |  |  |  |  | 
	
		|  T43.593 |  | Poisoning by other antipsychotics and neuroleptics, assault |  |  |  |  | 
	
		|  T43.594 |  | Poisoning by other antipsychotics and neuroleptics, undetermined |  |  |  |  | 
	
		|  T43.595 |  | Adverse effect of other antipsychotics and neuroleptics |  |  |  |  | 
	
		|  T43.596 |  | Underdosing of other antipsychotics and neuroleptics |  |  |  | 
|  |  | 
	
		|  T43.6 |  | Poisoning by, adverse effect of and underdosing of psychostimulants |  
		|  |  | 
	
		| Excludes1 | poisoning by, adverse effect of and underdosing of cocaine (T40.5-) 
 |  |  |  |  | 
	
		|  T43.60 |  | Poisoning by, adverse effect of and underdosing of unspecified psychostimulant |  |  |  | 
	
		|  T43.601 |  | Poisoning by unspecified psychostimulants, accidental (unintentional) |  
		|  |  | 
| Poisoning by psychostimulants NOS |  |  |  |  |  | 
	
		|  T43.602 |  | Poisoning by unspecified psychostimulants, intentional self-harm |  |  |  |  | 
	
		|  T43.603 |  | Poisoning by unspecified psychostimulants, assault |  |  |  |  | 
	
		|  T43.604 |  | Poisoning by unspecified psychostimulants, undetermined |  |  |  |  | 
	
		|  T43.605 |  | Adverse effect of unspecified psychostimulants |  |  |  |  | 
	
		|  T43.606 |  | Underdosing of unspecified psychostimulants |  |  |  |  |  | 
	
		|  T43.61 |  | Poisoning by, adverse effect of and underdosing of caffeine |  |  |  | 
	
		|  T43.611 |  | Poisoning by caffeine, accidental (unintentional) |  
		|  |  | 
| Poisoning by caffeine NOS |  |  |  |  |  | 
	
		|  T43.612 |  | Poisoning by caffeine, intentional self-harm |  |  |  |  | 
	
		|  T43.613 |  | Poisoning by caffeine, assault |  |  |  |  | 
	
		|  T43.614 |  | Poisoning by caffeine, undetermined |  |  |  |  | 
	
		|  T43.615 |  | Adverse effect of caffeine |  |  |  |  | 
	
		|  T43.616 |  | Underdosing of caffeine |  |  |  |  |  | 
	
		|  T43.62 |  | Poisoning by, adverse effect of and underdosing of amphetamines |  |  |  | 
	
		|  T43.621 |  | Poisoning by amphetamines, accidental (unintentional) |  
		|  |  | 
| Poisoning by amphetamines NOS |  |  |  |  |  | 
	
		|  T43.622 |  | Poisoning by amphetamines, intentional self-harm |  |  |  |  | 
	
		|  T43.623 |  | Poisoning by amphetamines, assault |  |  |  |  | 
	
		|  T43.624 |  | Poisoning by amphetamines, undetermined |  |  |  |  | 
	
		|  T43.625 |  | Adverse effect of amphetamines |  |  |  |  | 
	
		|  T43.626 |  | Underdosing of amphetamines |  |  |  |  |  | 
	
		|  T43.63 |  | Poisoning by, adverse effect of and underdosing of methylphenidate |  |  |  | 
	
		|  T43.631 |  | Poisoning by methylphenidate, accidental (unintentional) |  
		|  |  | 
| Poisoning by methylphenidate NOS |  |  |  |  |  | 
	
		|  T43.632 |  | Poisoning by methylphenidate, intentional self-harm |  |  |  |  | 
	
		|  T43.633 |  | Poisoning by methylphenidate, assault |  |  |  |  | 
	
		|  T43.634 |  | Poisoning by methylphenidate, undetermined |  |  |  |  | 
	
		|  T43.635 |  | Adverse effect of methylphenidate |  |  |  |  | 
	
		|  T43.636 |  | Underdosing of methylphenidate |  |  |  |  |  | 
	
		|  T43.64 |  | Poisoning by ecstasy |  
		|  |  | 
| Poisoning by MDMA |  | Poisoning by 3,4-methylenedioxymethamphetamine |  |  |  |  | 
	
		|  T43.641 |  | Poisoning by ecstasy, accidental (unintentional) |  
		|  |  |  |  |  |  |  | 
	
		|  T43.642 |  | Poisoning by ecstasy, intentional self-harm |  |  |  |  | 
	
		|  T43.643 |  | Poisoning by ecstasy, assault |  |  |  |  | 
	
		|  T43.644 |  | Poisoning by ecstasy, undetermined |  |  |  |  |  | 
	
		|  T43.65 |  | Poisoning by, adverse effect of and underdosing of methamphetamines |  |  |  | 
	
		|  T43.651 |  | Poisoning by methamphetamines accidental (unintentional) |  
		|  |  | 
| Poisoning by methamphetamines NOS |  |  |  |  |  | 
	
		|  T43.652 |  | Poisoning by methamphetamines intentional self-harm |  |  |  |  | 
	
		|  T43.653 |  | Poisoning by methamphetamines, assault |  |  |  |  | 
	
		|  T43.654 |  | Poisoning by methamphetamines, undetermined |  |  |  |  | 
	
		|  T43.655 |  | Adverse effect of methamphetamines |  |  |  |  | 
	
		|  T43.656 |  | Underdosing of methamphetamines |  |  |  |  |  | 
	
		|  T43.69 |  | Poisoning by, adverse effect of and underdosing of other psychostimulants |  |  |  | 
	
		|  T43.691 |  | Poisoning by other psychostimulants, accidental (unintentional) |  
		|  |  | 
| Poisoning by other psychostimulants NOS |  |  |  |  |  | 
	
		|  T43.692 |  | Poisoning by other psychostimulants, intentional self-harm |  |  |  |  | 
	
		|  T43.693 |  | Poisoning by other psychostimulants, assault |  |  |  |  | 
	
		|  T43.694 |  | Poisoning by other psychostimulants, undetermined |  |  |  |  | 
	
		|  T43.695 |  | Adverse effect of other psychostimulants |  |  |  |  | 
	
		|  T43.696 |  | Underdosing of other psychostimulants |  |  |  | 
|  |  | 
	
		|  T43.8 |  | Poisoning by, adverse effect of and underdosing of other psychotropic drugs |  |  |  | 
	
		|  T43.8X |  | Poisoning by, adverse effect of and underdosing of other psychotropic drugs |  |  |  | 
	
		|  T43.8X1 |  | Poisoning by other psychotropic drugs, accidental (unintentional) |  
		|  |  | 
| Poisoning by other psychotropic drugs NOS |  |  |  |  |  | 
	
		|  T43.8X2 |  | Poisoning by other psychotropic drugs, intentional self-harm |  |  |  |  | 
	
		|  T43.8X3 |  | Poisoning by other psychotropic drugs, assault |  |  |  |  | 
	
		|  T43.8X4 |  | Poisoning by other psychotropic drugs, undetermined |  |  |  |  | 
	
		|  T43.8X5 |  | Adverse effect of other psychotropic drugs |  |  |  |  | 
	
		|  T43.8X6 |  | Underdosing of other psychotropic drugs |  |  |  | 
|  |  | 
	
		|  T43.9 |  | Poisoning by, adverse effect of and underdosing of unspecified psychotropic drug |  |  |  | 
	
		|  T43.91 |  | Poisoning by unspecified psychotropic drug, accidental (unintentional) |  
		|  |  | 
| Poisoning by psychotropic drug NOS |  |  |  |  |  | 
	
		|  T43.92 |  | Poisoning by unspecified psychotropic drug, intentional self-harm |  |  |  |  | 
	
		|  T43.93 |  | Poisoning by unspecified psychotropic drug, assault |  |  |  |  | 
	
		|  T43.94 |  | Poisoning by unspecified psychotropic drug, undetermined |  |  |  |  | 
	
		|  T43.95 |  | Adverse effect of unspecified psychotropic drug |  |  |  |  | 
	
		|  T43.96 |  | Underdosing of unspecified psychotropic drug |  |  |