• 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