| Section | 0 | Medical and Surgical |
| Body System | S | Lower Joints |
| Operation | G | Fusion: Joining together portions of an articular body part rendering the articular body part immobile |
| Body Part 0 Lumbar Vertebral Joint 1 Lumbar Vertebral Joints, 2 or more 3 Lumbosacral Joint |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 7 Autologous Tissue Substitute A Interbody Fusion Device J Synthetic Substitute K Nonautologous Tissue Substitute Z No Device |
Qualifier 0 Anterior Approach, Anterior Column 1 Posterior Approach, Posterior Column J Posterior Approach, Anterior Column |
| Body Part 5 Sacrococcygeal Joint 6 Coccygeal Joint 7 Sacroiliac Joint, Right 8 Sacroiliac Joint, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 4 Internal Fixation Device 7 Autologous Tissue Substitute J Synthetic Substitute K Nonautologous Tissue Substitute Z No Device |
Qualifier Z No Qualifier |
| Body Part 9 Hip Joint, Right B Hip Joint, Left C Knee Joint, Right D Knee Joint, Left F Ankle Joint, Right G Ankle Joint, Left H Tarsal Joint, Right J Tarsal Joint, Left K Metatarsal-Tarsal Joint, Right L Metatarsal-Tarsal Joint, Left M Metatarsal-Phalangeal Joint, Right N Metatarsal-Phalangeal Joint, Left P Toe Phalangeal Joint, Right Q Toe Phalangeal Joint, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 4 Internal Fixation Device 5 External Fixation Device 7 Autologous Tissue Substitute J Synthetic Substitute K Nonautologous Tissue Substitute Z No Device |
Qualifier Z No Qualifier |