| G9589 | Other specified diseases of spinal cord |
| G959 | Disease of spinal cord, unspecified |
| G96 | Other disorders of central nervous system |
| G960 | Cerebrospinal fluid leak |
| G9600 | Cerebrospinal fluid leak, unspecified |
| G9601 | Cranial cerebrospinal fluid leak, spontaneous |
| G9602 | Spinal cerebrospinal fluid leak, spontaneous |
| G9608 | Other cranial cerebrospinal fluid leak |
| G9609 | Other spinal cerebrospinal fluid leak |
| G961 | Disorders of meninges, not elsewhere classified |
| G9611 | Dural tear |
| G9612 | Meningeal adhesions (cerebral) (spinal) |
| G9619 | Other disorders of meninges, not elsewhere classified |
| G96191 | Perineural cyst |
| G96198 | Other disorders of meninges, not elsewhere classified |
| G968 | Other specified disorders of central nervous system |
| G9681 | Intracranial hypotension |
| G96810 | Intracranial hypotension, unspecified |
| G96811 | Intracranial hypotension, spontaneous |
| G96819 | Other intracranial hypotension |
| G9689 | Other specified disorders of central nervous system |
| G969 | Disorder of central nervous system, unspecified |
| G97 | Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified |
| G970 | Cerebrospinal fluid leak from spinal puncture |
| G971 | Other reaction to spinal and lumbar puncture |
| G972 | Intracranial hypotension following ventricular shunting |
| G973 | Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedure |
| G9731 | Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure |
| G9732 | Intraop hemor/hemtom of a nervous sys org comp oth procedure Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedure |
| G974 | Accidental puncture and laceration of a nervous system organ or structure during a procedure |
| G9741 | Accidental puncture or laceration of dura during a procedure Accidental puncture or laceration of dura during a procedure |
| G9748 | Acc pnctr & lac of nervous sys org during a nervous sys proc Accidental puncture and laceration of other nervous system organ or structure during a nervous system procedure |
| G9749 | Accidental puncture and laceration of other nervous system organ or structure during other procedure |
| G975 | Postprocedural hemorrhage of a nervous system organ or structure following a procedure |
| G9751 | Postprocedural hemorrhage of a nervous system organ or structure following a nervous system procedure |
| G9752 | Postprocedural hemorrhage of a nervous system organ or structure following other procedure |
| G976 | Postproc hematoma and seroma of a nervous sys org fol a proc Postprocedural hematoma and seroma of a nervous system organ or structure following a procedure |
| G9761 | Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure |
| G9762 | Postprocedural hematoma of a nervous system organ or structure following other procedure |
| G9763 | Postprocedural seroma of a nervous system organ or structure following a nervous system procedure |
| G9764 | Postprocedural seroma of a nervous system organ or structure following other procedure |
| G978 | Other intraoperative and postprocedural complications and disorders of nervous system |
| G9781 | Other intraoperative complications of nervous system |
| G9782 | Other postprocedural complications and disorders of nervous system |
| G9783 | Intracranial hypotension following lumbar cerebrospinal fluid shunting |
| G9784 | Intracranial hypotension following other procedure |
| G98 | Other disorders of nervous system not elsewhere classified |
| G980 | Neurogenic arthritis, not elsewhere classified |
| G988 | Other disorders of nervous system |
| G99 | Other disorders of nervous system in diseases classified elsewhere |