1 ICD-9-CM 438.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 438.9 should only be used for claims with a date of service on or before September 30, 2015.
1. vein-a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary vein carry unaerated blood. vena, venous blood vessel. accessory cephalic vein, vena cephalica accessoria-a vein that passes along the radial edge of the forearm and joins the cephalic vein near the elbow.
Artery simply refers to the direction in which blood is flowing. In this case, it means it is flowing away from the heart. Veins mean it is flowing toward the heart arteries carry blood away from the heart. To transport oxygenated blood though the system and into the veins to be oxygenated.