85471701Change drainage device in spinal canal, external approach
Exempt85471702Change other device in spinal canal, external approach
Exempt85471703Fragmentation in cerebral ventricle, external approach
Exempt85471704Fragmentation in spinal canal, external approach
Exempt85471705Removal of drainage device from cerebral ventricle, external approach
Exempt85471709Removal of drainage device from spinal canal, external approach
Exempt85471707Removal of infusion device from cerebral ventricle, external approach
Exempt85471711Removal of infusion device from spinal canal, external approach
Exempt85471706Removal of monitoring device from cerebral ventricle, external approach
Exempt85471710Removal of monitoring device from spinal canal, external approach
Exempt85471708Removal of neurostimulator lead from cerebral ventricle, external approach
Exempt85471712Removal of neurostimulator lead from spinal canal, external approach
Exempt85471713Revision of drainage device in cerebral ventricle, external approach
Exempt85471718Revision of drainage device in spinal canal, external approach
Exempt85471715Revision of infusion device in cerebral ventricle, external approach
Exempt85471720Revision of infusion device in spinal canal, external approach
Exempt85471714Revision of monitoring device in cerebral ventricle, external approach
Exempt85471719Revision of monitoring device in spinal canal, external approach
Exempt85471717Revision of neurostimulator lead in cerebral ventricle, external approach
Exempt85471722Revision of neurostimulator lead in spinal canal, external approach
Exempt85471716Revision of synthetic substitute in cerebral ventricle, external approach
Exempt85471721Revision of synthetic substitute in spinal canal, external approach
Exempt