• B01AA Vitamin k antagonists 2 drugs
• B01AB Heparin group 34 drugs
• B01AC Platelet aggregation inhibitors excl. heparin 98 drugs
• B01AD Enzymes 6 drugs
• B01AE Direct thrombin inhibitors 18 drugs
• B01AF Direct factor xa inhibitors 53 drugs
• B01AX Other antithrombotic agents 4 drugs