M62.8 Other specified disorders of muscleNon-billable header with 6 child codes.
M62.81 Muscle weakness (generalized)M62.82 RhabdomyolysisM62.83 Muscle spasmM62.84 SarcopeniaM62.85 Dysfunction of the multifidus muscles, lumbar regionM62.89 Other specified disorders of muscleM62.5A Muscle wasting and atrophy, not elsewhere classified, backM62.5A0 Muscle wasting and atrophy, not elsewhere classified, back, cervicalM62.5A1 Muscle wasting and atrophy, not elsewhere classified, back, thoracicM62.5A2 Muscle wasting and atrophy, not elsewhere classified, back, lumbosacralM62.5A9 Muscle wasting and atrophy, not elsewhere classified, back, unspecified levelM62.8 Other specified disorders of muscle (this code)M62.81 Muscle weakness (generalized)M62.82 RhabdomyolysisM62.83 Muscle spasmM62.830 Muscle spasm of backM62.831 Muscle spasm of calf