Occult or latent neuromuscular disorders causing elevated creatine kinase
| Muscle dystrophies Duchenne and Becker muscular dystrophies Dystrophin mutations in female carriers Limb girdle Myofibrillar myopathy Desmin-related myofibrillar myopathy Myotonic dystrophy |
| Metabolic and mitochondrial disorders of muscle Carnitine palmitoyltransferase II deficiency McArdle disease Myoadenylate deaminase deficiency Mitochondrial myopathies Pompe disease (acid maltase deficiency) |
| Inflammatory myopathies Hypomyopathic dermatomyositis Inclusion body myositis Clinically amyopathic dermatomyositis Antisynthetase syndrome |
| Others Familial elevated creatine kinase Sarcoid myopathy Motor neuron diseases Charcot-Marie-Tooth disease Other congenital diseases |