| C72 | Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system | NON-BILLABLE CODE |
| C72.1 | Malignant neoplasm of cauda equina | BILLABLE CODE |
| C72.2 | Malignant neoplasm of olfactory nerve | NON-BILLABLE CODE |
| C72.20 | Malignant neoplasm of unspecified olfactory nerve | BILLABLE CODE |
| C72.21 | Malignant neoplasm of right olfactory nerve | BILLABLE CODE |
| C72.22 | Malignant neoplasm of left olfactory nerve | BILLABLE CODE |
| C72.3 | Malignant neoplasm of optic nerve | NON-BILLABLE CODE |
| C72.30 | Malignant neoplasm of unspecified optic nerve | BILLABLE CODE |
| C72.31 | Malignant neoplasm of right optic nerve | BILLABLE CODE |
| C72.32 | Malignant neoplasm of left optic nerve | BILLABLE CODE |
| C72.4 | Malignant neoplasm of acoustic nerve | NON-BILLABLE CODE |
| C72.40 | Malignant neoplasm of unspecified acoustic nerve | BILLABLE CODE |
| C72.41 | Malignant neoplasm of right acoustic nerve | BILLABLE CODE |
| C72.42 | Malignant neoplasm of left acoustic nerve | BILLABLE CODE |
| C72.5 | Malignant neoplasm of other and unspecified cranial nerves | NON-BILLABLE CODE |
| C72.50 | Malignant neoplasm of unspecified cranial nerve | BILLABLE CODE |
| C72.59 | Malignant neoplasm of other cranial nerves | BILLABLE CODE |
| C72.9 | Malignant neoplasm of central nervous system, unspecified | BILLABLE CODE |
