1. Prevention of venous thromboembolic diseases (prevention of venous thrombosis), especially in relation to orthopaedic or general surgery
2. Treatment of existing deep vein embolism, with or without pulmonary embolism, with mild clinical symptoms, excluding pulmonary embolism requiring surgery or thrombolytic therapy.
3. Treatment of unstable angina pectoris and non-Q wave myocardial infarction, combined with aspirin.
4. Used in cardiopulmonary bypass for hemodialysis to prevent thrombosis.