C = bilateral hip hemiarthroplasty.
Y = humeral head resurfacing, shoulder hemiarthroplasty, constrained total knee arthroplasty.
C = elbow resurfacing arthroplasty, reverse total shoulder arthroplasty, unicompartmental knee arthroplasty.
L = total hip arthroplasty with open reduction and internal fixation of periprosthetic fracture, hip resurfacing arthroplasty.
I = revision total knee arthroplasty.
N = total wrist arthroplasty, metacarpophalangeal and proximal interphalangeal arthroplasty, revision total hip arthroplasty with acetabular bone augmentation and fixation.
G = radial head replacement arthroplasty, total anle arthroplasty, total elbow arthroplasty.