M67.9 - Unspecified disorder of synovium and tendon
M67.92 - Unspecified disorder of synovium and tendon, upper arm
M67.921 - Unspecified disorder of synovium and tendon, right upper arm
M67.922 - Unspecified disorder of synovium and tendon, left upper arm
M67.929 - Unspecified disorder of synovium and tendon, unspecified upper arm