| 051L07Y | Bypass Intracranial Vein to Upper Vein with Autologous Tissue Substitute, Open Approach |
| 051L09Y | Bypass Intracranial Vein to Upper Vein with Autologous Venous Tissue, Open Approach |
| 051L0AY | Bypass Intracranial Vein to Upper Vein with Autologous Arterial Tissue, Open Approach |
| 051L0JY | Bypass Intracranial Vein to Upper Vein with Synthetic Substitute, Open Approach |
| 051L0KY | Bypass Intracranial Vein to Upper Vein with Nonautologous Tissue Substitute, Open Approach |
| 051L0ZY | Bypass Intracranial Vein to Upper Vein, Open Approach |
| 051L47Y | Bypass Intracranial Vein to Upper Vein with Autologous Tissue Substitute, Percutaneous Endoscopic Approach |
| 051L49Y | Bypass Intracranial Vein to Upper Vein with Autologous Venous Tissue, Percutaneous Endoscopic Approach |
| 051L4AY | Bypass Intracranial Vein to Upper Vein with Autologous Arterial Tissue, Percutaneous Endoscopic Approach |
| 051L4JY | Bypass Intracranial Vein to Upper Vein with Synthetic Substitute, Percutaneous Endoscopic Approach |
| 051L4ZY | Bypass Intracranial Vein to Upper Vein, Percutaneous Endoscopic Approach |
