M66.21Non-billable (header)
Spontaneous rupture of extensor tendons, shoulder
Code Hierarchy
┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M65-M67Disorders of synovium and tendon (M65-M67)├M66Spontaneous rupture of synovium and tendon
└M66.21Spontaneous rupture of extensor tendons, shoulder
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