00-99 CLASSIFICATION OF PROCEDURES
01-05 1. OPERATIONS ON THE NERVOUS SYSTEM


01 Incision and excision of skull, brain, and cerebral meninges

02 Other operations on skull, brain, and cerebral meninges

03 Operations on spinal cord and spinal canal structures
0 + Note

04 Operations on cranial and peripheral nerves

05 Operations on sympathetic nerves or ganglia
0 + Excludes