| Section | 0 | Medical and Surgical |
| Body System | 0 | Central Nervous System |
| Operation | F | Fragmentation: Breaking solid matter in a body part into pieces |
| Body Part 3 Epidural Space 4 Subdural Space 5 Subarachnoid Space 6 Cerebral Ventricle U Spinal Canal |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device Z No Device |
Qualifier Z No Qualifier |