0QW: Revision — Lower BonesCorrecting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
0 Lumbar Vertebra; 1 Sacrum; 4 Acetabulum, Right; 5 Acetabulum, Left; S Coccyx0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic; X External4 Internal Fixation Device; 7 Autologous Tissue Substitute; J Synthetic Substitute; K Nonautologous Tissue SubstituteZ No Qualifier2 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, Left0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic; X External4 Internal Fixation Device; 5 External Fixation Device; 7 Autologous Tissue Substitute; J Synthetic Substitute; K Nonautologous Tissue SubstituteZ No QualifierY Lower Bone0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic; X External0 Drainage Device; M Bone Growth StimulatorZ No Qualifier