| ICD Code | Description |
|---|---|
| 00C0 | Brain |
| 00C1 | Cerebral Meninges |
| 00C2 | Dura Mater |
| 00C3 | Epidural Space |
| 00C4 | Subdural Space |
| 00C5 | Subarachnoid Space |
| 00C6 | Cerebral Ventricle |
| 00C7 | Cerebral Hemisphere |
| 00C8 | Basal Ganglia |
| 00C9 | Thalamus |
| 00CA | Hypothalamus |
| 00CB | Pons |
| 00CC | Cerebellum |
| 00CD | Medulla Oblongata |
| 00CF | Olfactory Nerve |
| 00CG | Optic Nerve |
| 00CH | Oculomotor Nerve |
| 00CJ | Trochlear Nerve |
| 00CK | Trigeminal Nerve |
| 00CL | Abducens Nerve |
| 00CM | Facial Nerve |
| 00CN | Acoustic Nerve |
| 00CP | Glossopharyngeal Nerve |
| 00CQ | Vagus Nerve |
| 00CR | Accessory Nerve |
| 00CS | Hypoglossal Nerve |
| 00CT | Spinal Meninges |
| 00CW | Cervical Spinal Cord |
| 00CX | Thoracic Spinal Cord |
| 00CY | Lumbar Spinal Cord |