| Section | 0 | Medical and Surgical |
| Body System | 0 | Central Nervous System |
| Operation | J | Inspection: Visually and/or manually exploring a body part |
| Body Part 0 Brain E Cranial Nerve U Spinal Canal V Spinal Cord |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device Z No Device |
Qualifier Z No Qualifier |