atc code p03 atc code p03 atc code p03 ectoparasiticides, including scabicides, insecticides and repellents 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 p03 is part of the anatomical group p antiparasitic products, insecticides and repellents. atc codes p antiparasitic products, insecticides and repellents human only p01 antiprotozoals p02 anthelmintics p03 ectoparasiticides, including scabicides, insecticides and repellents atcvet only qp51 antiprotozoals qp52 anthelmintics qp53 ectoparasiticides, including insecticides and repellents qp54 endectocides a b c d g h qi j l m n p r s v national issues of the atc classification may include additional codes not present in this list, which follows the who version. p03a ectoparasiticides, including scabicides p03aa sulfur containing products p03aa01 dixanthogen p03aa02 potassium polysulfide p03aa03 mesulfen p03aa04 disulfiram p03aa05 thiram p03aa54 disulfiram, combinations p03ab chlorine containing products p03ab01 clofenotane p03ab02 lindane p03ab51 clofenotane, combinations p03ac pyrethrines, including synthetic compounds p03ac01 pyrethrum p03ac02 bioallethrin p03ac03 phenothrin p03ac04 permethrin p03ac51 pyrethrum, combinations p03ac52 bioallethrin, combinations p03ac53 phenothrin, combinations p03ac54 permethrin, combinations p03ax other ectoparasiticides, including scabicides p03ax01 benzyl benzoate p03ax02 copper oleinate p03ax03 malathion p03ax04 quassia p03ax05 dimeticone p03ax06 benzyl alcohol p03ax07 abametapir p03b insecticides and repellents p03ba pyrethrines p03ba01 cyfluthrin p03ba02 cypermethrin p03ba03 decamethrin p03ba04 tetramethrin p03bx other insecticides and repellents p03bx01 diethyltoluamide p03bx02 dimethylphthalate p03bx03 dibutylphthalate p03bx04 dibutylsuccinate p03bx05 dimethylcarbate p03bx06 etohexadiol