atc code n05 atc code n05 atc code n05 psycholeptics is a therapeutic subgroup of the anatomical therapeutic chemical classification system, a system of alphanumeric codes developed by the world health organization (who) for the classification of drugs and other medical products. subgroup n05 is part of the anatomical group n nervous system. atc codes n nervous system n01 anesthetics n02 analgesics n03 antiepileptics n04 anti-parkinson drugs n05 psycholeptics n06 psychoanaleptics n07 other nervous system drugs atcvet only qn51 products for animal euthanasia a b c d g h qi j l m n p r s v codes for veterinary use (atcvet codes) can be created by placing the letter q in front of the human atc code: for example, qn05. atcvet codes without corresponding human atc codes are cited with the leading q in the following list.national issues of the atc classification may include additional codes not present in this list, which follows the who version. n05a antipsychotics n05aa phenothiazines with aliphatic side-chain n05aa01 chlorpromazine n05aa02 levomepromazine n05aa03 promazine n05aa04 acepromazine n05aa05 triflupromazine n05aa06 cyamemazine n05aa07 chlorproethazine n05ab phenothiazines with piperazine structure n05ab01 dixyrazine n05ab02 fluphenazine n05ab03 perphenazine n05ab04 prochlorperazine n05ab05 thiopropazate n05ab06 trifluoperazine n05ab07 acetophenazine n05ab08 thioproperazine n05ab09 butaperazine n05ab10 perazine n05ac phenothiazines with piperidine structure n05ac01 periciazine n05ac02 thioridazine n05ac03 mesoridazine n05ac04 pipotiazine n05ad butyrophenone derivatives n05ad01 haloperidol n05ad02 trifluperidol n05ad03 melperone n05ad04 moperone n05ad05 pipamperone n05ad06 bromperidol n05ad07 benperidol n05ad08 droperidol n05ad09 fluanisone n05ad10 lumateperone qn05ad90 azaperone n05ae indole derivatives n05ae01 oxypertine n05ae02 molindone n05ae03 sertindole n05ae04 ziprasidone n05ae05 lurasidone n05af thioxanthene derivatives n05af01 flupentixol n05af02 clopenthixol n05af03 chlorprothixene n05af04 thiothixene n05af05 zuclopenthixol n05ag diphenylbutylpiperidine derivatives n05ag01 fluspirilene n05ag02 pimozide n05ag03 penfluridol n05ah diazepines, oxazepines, thiazepines and oxepines n05ah01 loxapine n05ah02 clozapine n05ah03 olanzapine n05ah04 quetiapine n05ah05 asenapine n05ah06 clotiapine n05ah53 olanzapine and samidorphan n05al benzamides n05al01 sulpiride n05al02 sultopride n05al03 tiapride n05al04 remoxipride n05al05 amisulpride n05al06 veralipride n05al07 levosulpiride n05an lithium n05an01 lithium n05ax other antipsychotics n05ax07 prothipendyl n05ax08 risperidone n05ax10 mosapramine n05ax11 zotepine n05ax12 aripiprazole n05ax13 paliperidone n05ax14 iloperidone n05ax15 cariprazine n05ax16 brexpiprazole n05ax17 pimavanserin qn05ax90 amperozide n05b anxiolytics n05ba benzodiazepine derivatives n05ba01 diazepam n05ba02 chlordiazepoxide n05ba03 medazepam n05ba04 oxazepam n05ba05 potassium clorazepate n05ba06 lorazepam n05ba07 adinazolam n05ba08 bromazepam n05ba09 clobazam n05ba10 ketazolam n05ba11 prazepam n05ba12 alprazolam n05ba13 halazepam n05ba14 pinazepam n05ba15 camazepam n05ba16 nordazepam n05ba17 fludiazepam n05ba18 ethyl loflazepate n05ba19 etizolam n05ba21 clotiazepam n05ba22 cloxazolam n05ba23 tofisopam n05ba24 bentazepam n05ba25 mexazolam n05ba56 lorazepam, combinations n05bb diphenylmethane derivatives n05bb01 hydroxyzine n05bb02 captodiame n05bb51 hydroxyzine, combinations n05bc carbamates n05bc01 meprobamate n05bc03 emylcamate n05bc04 mebutamate n05bc51 meprobamate, combinations n05bd dibenzo-bicyclo-octadiene derivatives n05bd01 benzoctamine n05be azaspirodecanedione derivatives n05be01 buspirone n05bx other anxiolytics n05bx01 mephenoxalone n05bx02 gedocarnil n05bx03 etifoxine n05bx04 fabomotizole n05bx05 lavandulae aetheroleum n05c hypnotics and sedatives n05ca barbiturates, plain n05ca01 pentobarbital n05ca02 amobarbital n05ca03 butobarbital n05ca04 barbital n05ca05 aprobarbital n05ca06 secobarbital n05ca07 talbutal n05ca08 vinylbital n05ca09 vinbarbital n05ca10 cyclobarbital n05ca11 heptabarbital n05ca12 reposal n05ca15 methohexital n05ca16 hexobarbital n05ca19 thiopental n05ca20 ethallobarbital n05ca21 allobarbital n05ca22 proxibarbal n05cb barbiturates, combinations n05cb01 combinations of barbiturates n05cb02 barbiturates in combination with other drugs n05cc aldehydes and derivatives n05cc01 chloral hydrate n05cc02 chloralodol n05cc03 acetylglycinamide chloral hydrate n05cc04 dichloralphenazone n05cc05 paraldehyde n05cd benzodiazepine derivatives n05cd01 flurazepam n05cd02 nitrazepam n05cd03 flunitrazepam n05cd04 estazolam n05cd05 triazolam n05cd06 lormetazepam n05cd07 temazepam n05cd08 midazolam n05cd09 brotizolam n05cd10 quazepam n05cd11 loprazolam n05cd12 doxefazepam n05cd13 cinolazepam n05cd14 remimazolam n05cd15 nimetazepam qn05cd90 climazolam n05ce piperidinedione derivatives n05ce01 glutethimide n05ce02 methyprylon n05ce03 pyrithyldione n05cf benzodiazepine related drugs n05cf01 zopiclone n05cf02 zolpidem n05cf03 zaleplon n05cf04 eszopiclone n05ch melatonin receptor agonists n05ch01 melatonin n05ch02 ramelteon n05ch03 tasimelteon n05cm other hypnotics and sedatives n05cm01 methaqualone n05cm02 clomethiazole n05cm03 bromisoval n05cm04 carbromal n05cm05 scopolamine n05cm06 propiomazine n05cm07 triclofos n05cm08 ethchlorvynol n05cm09 valerianae radix n05cm10 hexapropymate n05cm11 bromides n05cm12 apronal n05cm13 valnoctamide n05cm15 methylpentynol n05cm16 niaprazine n05cm18 dexmedetomidine n05cm19 suvorexant n05cm21 lemborexant qn05cm90 detomidine qn05cm91 medetomidine qn05cm92 xylazine qn05cm93 romifidine qn05cm94 metomidate qn05cm96 tasipimidine qn05cm99 combinations n05cx hypnotics and sedatives in combination, excluding barbiturates n05cx01 meprobamate, combinations n05cx02 methaqualone, combinations n05cx03 methylpentynol, combinations n05cx04 clomethiazole, combinations n05cx05 emepronium, combinations n05cx06 dipiperonylaminoethanol, combinations