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.
A large vein that drains blood from the kidney and empties into the inferior vena cava; the renal veins lie on top of (anterior to) the renal arteries. To reach the vena cava, the left renal vein passes over the aorta and is three times as long as the right renal vein.