| Section | 0 | Medical and Surgical |
| Body System | N | Head and Facial Bones |
| Operation | J | Inspection: Visually and/or manually exploring a body part |
| Body Part 0 Skull B Nasal Bone W Facial Bone |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device Z No Device |
Qualifier Z No Qualifier |