| Section | 0 | Medical and Surgical |
| Body System | Q | Lower Bones |
| Operation | W | Revision: Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device |
| Body Part 0 Lumbar Vertebra 1 Sacrum 4 Acetabulum, Right 5 Acetabulum, Left S Coccyx |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device 4 Internal Fixation Device 7 Autologous Tissue Substitute J Synthetic Substitute K Nonautologous Tissue Substitute |
Qualifier Z No Qualifier |
| Body Part 2 Pelvic Bone, Right 3 Pelvic Bone, Left 6 Upper Femur, Right 7 Upper Femur, Left 8 Femoral Shaft, Right 9 Femoral Shaft, Left B Lower Femur, Right C Lower Femur, Left D Patella, Right F Patella, Left G Tibia, Right H Tibia, Left J Fibula, Right K Fibula, Left L Tarsal, Right M Tarsal, Left N Metatarsal, Right P Metatarsal, Left Q Toe Phalanx, Right R Toe Phalanx, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device 4 Internal Fixation Device 5 External Fixation Device 7 Autologous Tissue Substitute J Synthetic Substitute K Nonautologous Tissue Substitute |
Qualifier Z No Qualifier |
| Body Part Y Lower Bone |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device 0 Drainage Device M Bone Growth Stimulator |
Qualifier Z No Qualifier |