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Please verify if these codes for this procedure are correct. 36011, 76496, 37204, 75894,75898 Thanks! Report History: 18-year-old male with chest wall vascular malformation status post embolization in August of 2011. He notes worsening symptoms of chest pain since the embolization. The procedure was performed using general endotracheal anesthesia. After obtaining informed consent, the patient was placed on the interventional table and placed under general anesthesia. Percutaneous catheterization of the internal mammary vein was performed a under ultrasound guidance and a sheath placed into the feeding vessels supplying the venous malformation. Diagnostic study of the venous malformation was compared to previous study of August which demonstrated more thrombosis but persistent flow. Superselective catheterization of the more lateral compartment of the malformation was performed and multiple coils placed within the large central vein. Follow-up after embolization showed persistent flow and the remainder of the malformation was treated with a embolization with 100% ethanol. A total of 15 mL was injected in 4 to 5-mL aliquots x 3 with each injection followed by 10 minutes of observation and repeat injection. At the termination of the procedure, follow-up injection showed complete thrombosis of the lesion. The patient was awakened from general anesthesia and the catheter was removed sent to the recovery room. He tolerated the procedure well. Impressions: 1. Superselective catheterization of the chest wall malformation via the right internal mammary vein. 2. Venography of the chest wall malformation showing persistent flow 3. Embolization of the chest wall malformation as noted above. 4. Follow-up injection showing thrombosis of that portion of the treated malformation.