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

L01BA Folic acid analogues

L01BB Purine analogues

L01BC Pyrimidine analogues

L01BC01 cytarabinum

L01BC02 fluorouracilum

L01BC05 gemcitabinum

L01BC06 capecitabinum

L01BC07 azacitidinum

L01BC08 decitabinum

L01BC53 tegafur + gimeracil + oteracil

L01BC59 trifluridinum + tipiracilum

L01C Plant alkaloids and other natural products

L01D Cytotoxic antibiotics and related substances

L01E Protein kinase inhibitors

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