A ALIMENTARY TRACT AND METABOLISM

 B BLOOD AND BLOOD FORMING ORGANS

 C CARDIOVASCULAR SYSTEM

 D DERMATOLOGICALS

 G GENITO URINARY SYSTEM AND SEX HORMONES

 H SYSTEMIC HORMONAL PREPARATIONS, EXCL. SEX HORMONES AND INSULINS

 J ANTIINFECTIVES FOR SYSTEMIC USE

 L ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS

   L01 ANTINEOPLASTIC AGENTS

   L02 ENDOCRINE THERAPY

   L03 IMMUNOSTIMULANTS

   L04 IMMUNOSUPPRESSANTS

     L04A IMMUNOSUPPRESSANTS

       L04AA Selective immunosuppressants

       L04AB Tumor necrosis factor alpha (TNF-alpha) inhibitors

       L04AC Interleukin inhibitors

         L04AC01 Daclizumab

         L04AC02 Basiliximab

         L04AC03 Anakinra

         L04AC04 Rilonacept

         L04AC05 Ustekinumab

         L04AC07 Tocilizumab

         L04AC08 Canakinumab

         L04AC09 Briakinumab

         L04AC10 Secukinumab

         L04AC11 Siltuximab

         L04AC12 Brodalumab

         L04AC13 Ixekizumab

         L04AC14 Sarilumab

         L04AC15 Sirukumab

         L04AC16 Guselkumab

         L04AC17 Tildrakizumab

         L04AC18 Risankizumab

       L04AD Calcineurin inhibitors

       L04AX Other immunosuppressants

 M MUSCULO-SKELETAL SYSTEM

 N NERVOUS SYSTEM

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

 S SENSORY ORGANS

 V VARIOUS