M62 - Other disorders of muscle
M62.8 - Other specified disorders of muscle
Excludes 2:
-nontraumatic hematoma of muscle M79.81)
M62.81 - Muscle weakness (generalized)
M62.82 - Rhabdomyolysis
M62.83 - Muscle spasm
M62.830 - Muscle spasm of back
M62.831 - Muscle spasm of calf
M62.838 - Other muscle spasm
M62.89 - Other specified disorders of muscle