• Myasthenia gravis 
• Toxic myoneural disorders 
• Congenital myasthenia syndromes
• Other specified myoneural disorders 
•  Myasthenic syndromes in endocrine diseases
• Myasthenic syndromes in:
  • diabetic amyotrophy  
  • thyrotoxicosis [hyperthyroidism]
  • Eaton-Lambert syndrome
  • Other myasthenic syndromes in neoplastic disease
  • Myasthenic syndromes in other diseases classified elsewhere 

EXCLUDES:  botulism and transient neonatal myasthenia gravis.