| G97 | Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified | NON-BILLABLE CODE |
| G97.1 | Other reaction to spinal and lumbar puncture | BILLABLE CODE |
| G97.2 | Intracranial hypotension following ventricular shunting | BILLABLE CODE |
| G97.3 | Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedure | NON-BILLABLE CODE |
| G97.31 | Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure | BILLABLE CODE |
| G97.32 | Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedure | BILLABLE CODE |
| G97.4 | Accidental puncture and laceration of a nervous system organ or structure during a procedure | NON-BILLABLE CODE |
| G97.41 | Accidental puncture or laceration of dura during a procedure | BILLABLE CODE |
| G97.48 | Accidental puncture and laceration of other nervous system organ or structure during a nervous system procedure | BILLABLE CODE |
| G97.49 | Accidental puncture and laceration of other nervous system organ or structure during other procedure | BILLABLE CODE |
| G97.5 | Postprocedural hemorrhage of a nervous system organ or structure following a procedure | NON-BILLABLE CODE |
| G97.51 | Postprocedural hemorrhage of a nervous system organ or structure following a nervous system procedure | BILLABLE CODE |
| G97.52 | Postprocedural hemorrhage of a nervous system organ or structure following other procedure | BILLABLE CODE |
| G97.6 | Postprocedural hematoma and seroma of a nervous system organ or structure following a procedure | NON-BILLABLE CODE |
| G97.61 | Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure | BILLABLE CODE |
| G97.62 | Postprocedural hematoma of a nervous system organ or structure following other procedure | BILLABLE CODE |
| G97.63 | Postprocedural seroma of a nervous system organ or structure following a nervous system procedure | BILLABLE CODE |
| G97.64 | Postprocedural seroma of a nervous system organ or structure following other procedure | BILLABLE CODE |
| G97.8 | Other intraoperative and postprocedural complications and disorders of nervous system | NON-BILLABLE CODE |
| G97.81 | Other intraoperative complications of nervous system | BILLABLE CODE |
| G97.82 | Other postprocedural complications and disorders of nervous system | BILLABLE CODE |
| G97.83 | Intracranial hypotension following lumbar cerebrospinal fluid shunting | BILLABLE CODE |
| G97.84 | Intracranial hypotension following other procedure | BILLABLE CODE |
