Myopathy in diseases classified elsewhere

**Excludes1:** - myopathy in: - rheumatoid arthritis (M05.32) - sarcoidosis (D86.87) - scleroderma (M34.82) - Sjögren syndrome (M35.03) - systemic lupus erythematosus (M32.19)

**Code first:** - underlying disease, such as: - glycogen storage disease (E74.0-) - hyperparathyroidism (E21.0, E21.3) - hypoparathyroidism (E20.-) - lipid storage disorders (E75.-)