| ICD Code | Description |
|---|---|
| 0050 | Brain |
| 0051 | Cerebral Meninges |
| 0052 | Dura Mater |
| 0056 | Cerebral Ventricle |
| 0057 | Cerebral Hemisphere |
| 0058 | Basal Ganglia |
| 0059 | Thalamus |
| 005A | Hypothalamus |
| 005B | Pons |
| 005C | Cerebellum |
| 005D | Medulla Oblongata |
| 005F | Olfactory Nerve |
| 005G | Optic Nerve |
| 005H | Oculomotor Nerve |
| 005J | Trochlear Nerve |
| 005K | Trigeminal Nerve |
| 005L | Abducens Nerve |
| 005M | Facial Nerve |
| 005N | Acoustic Nerve |
| 005P | Glossopharyngeal Nerve |
| 005Q | Vagus Nerve |
| 005R | Accessory Nerve |
| 005S | Hypoglossal Nerve |
| 005T | Spinal Meninges |
| 005W | Cervical Spinal Cord |
| 005X | Thoracic Spinal Cord |
| 005Y | Lumbar Spinal Cord |