G73 - Disorders of myoneural junction and muscle in diseases classified elsewhere
G73.7 - Myopathy in diseases classified elsewhere
codeFirst:
-underlying disease, such as:
-hyperparathyroidism E21.0,E21.3)
-hypoparathyroidism (E20.-)
-glycogen storage disease E74.0)
-lipid storage disorders (E75.-)
Excludes 1:
-myopathy in:
-rheumatoid arthritis M05.32)
-sarcoidosis D86.87)
-scleroderma M34.82)
-sicca syndrome [Sjögren] M35.03)
-systemic lupus erythematosus M32.19)