• Monocytosis (symptomatic) 288.63
  • Monofixation syndrome 378.34
  • Monomania (see also Psychosis) 298.9
  • Mononeuritis 355.9
  • Mononeuropathy (see also Mononeuritis) 355.9
  • Mononucleosis, infectious 075
  • Monoplegia 344.5
  • Monorchism, monorchidism 752.89
  • Monteggia's fracture (closed) 813.03
  • Mood swings
  • Moore's syndrome (see also Epilepsy) 345.5
  • Mooren's ulcer (cornea) 370.07
  • Mooser bodies 081.0
  • Mooser-Neill reaction 081.0
  • Moral
  • Morax-Axenfeld conjunctivitis 372.03
  • Morbilli (see also Measles) 055.9
  • Morbus
  • Morel-Kraepelin disease (see also Schizophrenia) 295.9
  • Morel-Moore syndrome (hyperostosis frontalis interna) 733.3
  • Morel-Morgagni syndrome (hyperostosis frontalis interna) 733.3
  • Morgagni