| Section | 0 | Medical and Surgical |
| Body System | W | Anatomical Regions, General |
| Operation | 0 | Alteration: Modifying the anatomic structure of a body part without affecting the function of the body part |
| Body Part 0 Head 2 Face 4 Upper Jaw 5 Lower Jaw 6 Neck 8 Chest Wall F Abdominal Wall K Upper Back L Lower Back M Perineum, Male N Perineum, Female |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 7 Autologous Tissue Substitute J Synthetic Substitute K Nonautologous Tissue Substitute Z No Device |
Qualifier Z No Qualifier |