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 3 Mitochondrial myopathy, not elsewhere classified
 * Excludes1: Kearns-Sayre syndrome (H49.81)
 * Leber's disease (H47.21)
 * Leigh's encephalopathy (G31.82)
 * mitochondrial metabolism disorders (E88.4.-)
 * Reye's syndrome (G93.7)
 * G71.8 Other primary disorders of muscles
 * G71.9 Primary disorder of muscle, unspecified
 * Hereditary myopathy NOS

G72 Other and unspecified myopathies

 * Excludes1: arthrogryposis multiplex congenita (Q74.3)
 * dermatopolymyositis (M33.-)
 * ischemic infarction of muscle (M62.2-)
 * myositis (M60.-)
 * polymyositis (M33.2.-)
 * G72.0 Drug-induced myopathy
 * Code first (T36-T50) to identify drug
 * G72.1 Alcoholic myopathy
 * Use additional code to identify alcoholism (F10.-)
 * G72.2 Myopathy due to other toxic agents
 * Code first (T51-T65) to identify toxic agent.
 * G72.3 Periodic paralysis
 * Familial periodic paralysis
 * Hyperkalemic periodic paralysis (familial)
 * Hypokalemic periodic paralysis (familial)
 * Myotonic periodic paralysis (familial)
 * Normokalemic paralysis (familial)
 * Potassium sensitive periodic paralysis
 * Excludes1: paramyotonia congenita (of von Eulenburg) (G71.19)
 * G72.4 Inflammatory and immune myopathies, not elsewhere classified
 * G72.41 Inclusion body myositis [IBM]
 * G72.49 Other inflammatory and immune myopathies, not elsewhere classified
 * Inflammatory myopathy NOS
 * G72.8 Other specified myopathies
 * G72.81 Critical illness myopathy
 * Acute necrotizing myopathy
 * Acute quadriplegic myopathy
 * Intensive care (ICU) myopathy
 * Myopathy of critical illness
 * G72.89 Other specified myopathies
 * G72.9 Myopathy, unspecified

G73 Disorders of myoneural junction and muscle in diseases classified elsewhere

 * G73.