The Duplex scanning in the evaluation of the arterial / venous flow of abdominal, pelvic organs and of the scrotum, proceed for payment when they are performed for one or more of the following indications.
· Evaluation of a patient with symptoms and findings such as epigastric or periumbilical pain after meals which persists for one to three hours associated with weight loss and that is the result of decreased intake that may suggest a chronic intestinal ischemia.
· The evaluation of patients that have received trauma to the abdomen, pelvis or retroperitoneal area and that possibly involves damage to the arterial / venous flow of the abdominal, pelvic or retroperitoneal organs.
· The evaluation of a possible aneurysm of renal artery or another visceral artery
· The evaluation of a patient that not has responded to antihypertensive therapy as a form to eliminate the presence of renovascular disease such as stenosis of the renal artery, fistula, renal arteriovenous or a renal aneurysm as the cause of the uncontrolled hypertension.
· The evaluation of portal hypertension
· In the evaluation of suspicion of embolism, thrombosis, hemorrhage or infarction of the portal vein, the renal vein or renal artery.
· The evaluation of pain or swelling of the content of the scrotum that suggests obstruction in the arterial venous flow of the testicles or related structures.
The Duplex scanning for the evaluation of the flow of the aorta, lower cava vein, iliac or bridges (bypass graft) of these structures proceed for payment when they are performed for one or more of the following indications:
· Confirm the suspicions of an abdominal or iliac aneurysm.
· Monitor the progress of an aortic aneurysm. Usually the monitoring is done every six months.
· Evaluate the patient with symptoms and findings of a thoracic aneurysm. The usual symptoms of this condition are sub external chest pain, back pain and symptoms due to pressure on the trachea, esophagus, laryngeal nerve or superior vein cava.
· Evaluation of patient that presents findings and symptoms of abdominal aneurysm.
· Evaluation of the patient presenting symptoms and findings that suggest an aortic dissection
· Evaluation of the patient with symptoms and findings of intermittent claudication.
· Evaluation of patient with the suspicion of embolism or abdominal or chest thrombosis.
· Evaluation of patients presenting pain on palpation over the iliac vein region that suggests phlebitis or thrombophlebitis of the iliac vein or inferior vena cava.
· Assessment in patient that has received trauma to the anterior thoracic wall and/or abdomen that possibly brings trauma to the aorta, inferior vena cava and/or iliac veins.
· Evaluate the continuity of both venous and prosthetic bridges (bypass graft) after their realization. Usually this evaluation is performed after six weeks, three months and then every six months.
· Monitor areas of several percutaneous interventions including, but not limited to angioplasties, Thrombolysis, atherectomies and/or placement of mesh (stent). Usually this evaluation is performed after six weeks, three months and then every six months.