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

     L01A ALKYLATING AGENTS

     L01B ANTIMETABOLITES

     L01C PLANT ALKALOIDS AND OTHER NATURAL PRODUCTS

     L01D CYTOTOXIC ANTIBIOTICS AND RELATED SUBSTANCES

     L01E PROTEIN KINASE INHIBITORS

     L01F MONOCLONAL ANTIBODIES AND ANTIBODY DRUG CONJUGATES

       L01FA CD20 (Clusters of Differentiation 20) inhibitors

       L01FB CD22 (Clusters of Differentiation 22) inhibitors

       L01FC CD38 (Clusters of Differentiation 38) inhibitors

       L01FD HER2 (Human Epidermal Growth Factor Receptor 2) inhibitors

         L01FD01 Trastuzumab

         L01FD02 Pertuzumab

         L01FD03 Trastuzumab emtansine

         L01FD04 Trastuzumab deruxtecan

         L01FD05 Trastuzumab duocarmazine

         L01FD06 Margetuximab

         L01FD07 Zanidatamab

       L01FE EGFR (Epidermal Growth Factor Receptor) inhibitors

       L01FF PD-1/PD-L1 (Programmed cell death protein 1/death ligand 1) inhibitors

       L01FG VEGF/VEGFR (Vascular Endothelial Growth Factor) inhibitors

       L01FX Other monoclonal antibodies and antibody drug conjugates

       L01FY Combinations of monoclonal antibodies and antibody drug conjugates

     L01X OTHER ANTINEOPLASTIC AGENTS

   L02 ENDOCRINE THERAPY

   L03 IMMUNOSTIMULANTS

   L04 IMMUNOSUPPRESSANTS

 M MUSCULO-SKELETAL SYSTEM

 N NERVOUS SYSTEM

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

 S SENSORY ORGANS

 V VARIOUS