- 451 Phlebitis and thrombophlebitis
- 452 Portal vein thrombosis
- 453 Other venous embolism and thrombosis
- 454 Varicose veins of lower extremities
- 455 Hemorrhoids
- 456 Varicose veins of other sites
- 457 Noninfectious disorders of lymphatic channels
- 458 Hypotension
- 459 Other disorders of circulatory system
