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, in human physiology, any of the vessels that, with four exceptions, carry oxygen-depleted blood to the right upper chamber (atrium) of the heart. The four exceptionsâthe pulmonary veinsâtransport oxygenated blood from the lungs to the left upper chamber of the heart.