Section 0 Medical and Surgical Axis 4 Body Part Row Term Cervical Nerve Includes Add Spinal nerve, cervical Row Add Term Add Knee Joint, Femoral Surface, Left Term Add Knee Joint, Femoral Surface, Right Includes Add Femoropatellar joint Includes Add Patellofemoral joint Row Term Knee Joint, Left Term Knee Joint, Right Includes Add Patellofemoral joint Includes Add Tibiofemoral joint Row Add Term Add Knee Joint, Tibial Surface, Left Term Add Knee Joint, Tibial Surface, Right Includes Add Femorotibial joint Includes Add Tibiofemoral joint Row Term Lumbar Nerve Includes Add Spinal nerve, lumbar Row Delete Term Delete Spinal Cord Includes Delete Denticulate ligament Row Add Term Add Sacral Nerve Includes Add Spinal nerve, sacral Row Term Spinal Meninges Includes Add Denticulate ligament Row Term Thoracic Nerve Includes Add Spinal nerve, thoracic Axis 6 Device Row Add Term Add Epiretinal Visual Prosthesis in Eye Includes Add Epiretinal visual prosthesis Row Term External Heart Assist System in Heart and Great Vessels Includes Delete PVAD™ Ventricular Assist Device Includes Add TandemHeart® System Includes Add Thoratec Paracorporeal Ventricular Assist Device Row Term Implantable Heart Assist System in Heart and Great Vessels Includes Add MicroMed HeartAssist Row Term Intraluminal Device Includes Delete TandemHeart® System Includes Add Impella® (2.5)(5.0)(LD) cardiac assist device Dev Aggrgtn Add Device Add Epiretinal Visual Prosthesis Operation Add All applicable BodySys Add Eye Parent J Add Synthetic Substitute