atc code a08 atc code a08 atc code a08 antiobesity preparations, excluding diet products 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 a08 is part of the anatomical group a alimentary tract and metabolism. atc codes a alimentary tract and metabolism a01 stomatological preparations a02 drugs for acid related disorders a03 drugs for functional gastrointestinal disorders a04 antiemetics and antinauseants a05 bile and liver therapy a06 drugs for constipation a07 antidiarrheals, intestinal anti-inflammatory/anti-infective agents a08 antiobesity preparations, excluding diet products a09 digestives, including enzymes a10 drugs used in diabetes a11 vitamins a12 mineral supplements a13 tonics a14 anabolic agents for systemic use a15 appetite stimulants a16 other alimentary tract and metabolism products 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, qa08. 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. a08a antiobesity preparations, excluding diet products a08aa centrally acting antiobesity products a08aa01 phentermine a08aa02 fenfluramine a08aa03 amfepramone a08aa04 dexfenfluramine a08aa05 mazindol a08aa06 etilamfetamine a08aa07 cathine a08aa08 clobenzorex a08aa09 mefenorex a08aa10 sibutramine a08aa11 lorcaserin a08aa12 setmelanotide a08aa51 phentermine and topiramate a08aa56 ephedrine, combinations a08aa62 bupropion and naltrexone a08ab peripherally acting antiobesity products a08ab01 orlistat qa08ab90 mitratapide qa08ab91 dirlotapide a08ax other antiobesity drugs a08ax01 rimonabant