• Myopathy 359.9
  • Myopericarditis (see also Pericarditis) 423.9
  • Myopia (axial) (congenital) (increased curvature or refraction, nucleus of lens) 367.1
  • Myosarcoma (M8895/3) - see Neoplasm, connective tissue, malignant
  • Myosis (persistent) 379.42
  • Myositis 729.1
  • Myospasia impulsiva 307.23
  • Myotonia (acquisita) (intermittens) 728.85
  • Myotonic pupil 379.46
  • Myriapodiasis 134.1
  • Myringitis
  • Mysophobia 300.29
  • Mytilotoxism 988.0
  • Myxadenitis labialis 528.5
  • Myxedema (adult) (idiocy) (infantile) (juvenile) (thyroid gland) (see also Hypothyroidism) 244.9
  • Myxochondrosarcoma (M9220/3) - see Neoplasm, cartilage, malignant
  • Myxofibroma (M8811/0) - see also Neoplasm, connective tissue, benign
  • Myxofibrosarcoma (M8811/3) - see Neoplasm, connective tissue, malignant
  • Myxolipoma (M8852/0) (see also Lipoma, by site) 214.9
  • Myxoliposarcoma (M8852/3) - see Neoplasm, connective tissue, malignant
  • Myxoma (M8840/0) - see also Neoplasm, connective tissue, benign
  • Myxosarcoma (M8840/3) - see Neoplasm, connective tissue, malignant