• B01AA Vitamin k antagonists 9 medications
• B01AB Heparin group 65 medications
• B01AC Platelet aggregation inhibitors excl. heparin 154 medications
• B01AD Enzymes 11 medications
• B01AE Direct thrombin inhibitors 74 medications
• B01AF Direct factor xa inhibitors 244 medications
• B01AX Other antithrombotic agents 3 medications