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.
vein. 1. Any of the blood vessels that carry blood toward the heart. Veins are thin-walled and contain valves that prevent the backflow of blood. All veins except the pulmonary vein (which returns to the heart from the lungs) carry blood having low levels of oxygen. 2.