| Section | 0 | Medical and Surgical |
| Body System | B | Respiratory System |
| Operation | J | Inspection: Visually and/or manually exploring a body part |
| Body Part 0 Tracheobronchial Tree 1 Trachea K Lung, Right L Lung, Left Q Pleura T Diaphragm |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic X External |
Device Z No Device |
Qualifier Z No Qualifier |