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

J01 Antibacterials for systemic use

J02 Antimycotics for systemic use

J04 Antimycobacterials

J05 Antivirals for systemic use

J05A Direct acting antivirals

J05AA Thiosemicarbazones

J05AB Nucleosides and nucleotides excl. reverse transcriptase inhibitors

J05AC Cyclic amines

J05AC02 rimantadinum

J05AD Phosphonic acid derivatives

J05AE Protease inhibitors

J05AF Nucleoside and nucleotide reverse transcriptase inhibitors

J05AG Non-nucleoside reverse transcriptase inhibitors

J05AH Neuraminidase inhibitors

J05AJ Integrase inhibitors

J05AP Antivirals for treatment of hcv infections

J05AR Antivirals for treatment of hiv infections, combinations

J05AX Other antivirals

J06 Immune sera and immunoglobulins

J07 Vaccines

L Antineoplastic and immunomodulating agents

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various