| Section | 0 | Medical and Surgical |
| Body System | N | Head and Facial Bones |
| Operation | 9 | Drainage: Taking or letting out fluids and/or gases from a body part |
| Body Part 0 Skull 1 Frontal Bone, Right 2 Frontal Bone, Left 3 Parietal Bone, Right 4 Parietal Bone, Left 5 Temporal Bone, Right 6 Temporal Bone, Left 7 Occipital Bone, Right 8 Occipital Bone, Left B Nasal Bone C Sphenoid Bone, Right D Sphenoid Bone, Left F Ethmoid Bone, Right G Ethmoid Bone, Left H Lacrimal Bone, Right J Lacrimal Bone, Left K Palatine Bone, Right L Palatine Bone, Left M Zygomatic Bone, Right N Zygomatic Bone, Left P Orbit, Right Q Orbit, Left R Maxilla, Right S Maxilla, Left T Mandible, Right V Mandible, Left X Hyoid Bone |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part 0 Skull 1 Frontal Bone, Right 2 Frontal Bone, Left 3 Parietal Bone, Right 4 Parietal Bone, Left 5 Temporal Bone, Right 6 Temporal Bone, Left 7 Occipital Bone, Right 8 Occipital Bone, Left B Nasal Bone C Sphenoid Bone, Right D Sphenoid Bone, Left F Ethmoid Bone, Right G Ethmoid Bone, Left H Lacrimal Bone, Right J Lacrimal Bone, Left K Palatine Bone, Right L Palatine Bone, Left M Zygomatic Bone, Right N Zygomatic Bone, Left P Orbit, Right Q Orbit, Left R Maxilla, Right S Maxilla, Left T Mandible, Right V Mandible, Left X Hyoid Bone |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |