M67.2 - Synovial hypertrophy, not elsewhere classified
M67.25 - Synovial hypertrophy, not elsewhere classified, thigh
M67.251 - Synovial hypertrophy, not elsewhere classified, right thigh
M67.252 - Synovial hypertrophy, not elsewhere classified, left thigh
M67.259 - Synovial hypertrophy, not elsewhere classified, unspecified thigh