| G96 | Other disorders of central nervous system | NON-BILLABLE CODE |
| G96.0 | Cerebrospinal fluid leak | NON-BILLABLE CODE |
| G96.00 | Cerebrospinal fluid leak, unspecified | BILLABLE CODE |
| G96.01 | Cranial cerebrospinal fluid leak, spontaneous | BILLABLE CODE |
| G96.02 | Spinal cerebrospinal fluid leak, spontaneous | BILLABLE CODE |
| G96.08 | Other cranial cerebrospinal fluid leak | BILLABLE CODE |
| G96.09 | Other spinal cerebrospinal fluid leak | BILLABLE CODE |
| G96.1 | Disorders of meninges, not elsewhere classified | NON-BILLABLE CODE |
| G96.12 | Meningeal adhesions (cerebral) (spinal) | BILLABLE CODE |
| G96.19 | Other disorders of meninges, not elsewhere classified | NON-BILLABLE CODE |
| G96.191 | Perineural cyst | BILLABLE CODE |
| G96.198 | Other disorders of meninges, not elsewhere classified | BILLABLE CODE |
| G96.8 | Other specified disorders of central nervous system | NON-BILLABLE CODE |
| G96.81 | Intracranial hypotension | NON-BILLABLE CODE |
| G96.810 | Intracranial hypotension, unspecified | BILLABLE CODE |
| G96.811 | Intracranial hypotension, spontaneous | BILLABLE CODE |
| G96.819 | Other intracranial hypotension | BILLABLE CODE |
| G96.89 | Other specified disorders of central nervous system | BILLABLE CODE |
| G96.9 | Disorder of central nervous system, unspecified | BILLABLE CODE |
