• Menkes' syndrome - see Syndrome, Menkes'
  • Menolipsis 626.0
  • Menometrorrhagia 626.2
  • Menopause, menopausal (symptoms) (syndrome) 627.2
  • Menorrhagia (primary) 626.2
  • Menorrhalgia 625.3
  • Menoschesis 626.8
  • Menostaxis 626.2
  • Menses, retention 626.8
  • Menstrual - see also Menstruation
  • Menstruation
  • Mentagra (see also Sycosis) 704.8
  • Mental - see also condition
  • Meralgia paresthetica 355.1
  • Mercurial - see condition
  • Mercurialism NEC 985.0
  • Merergasia 300.9
  • Merkel cell tumor - see Carcinoma, Merkel cell
  • Merocele (see also Hernia, femoral) 553.00
  • Meromelia 755.4
  • Merosmia 781.1
  • MERRF syndrome (myoclonus with epilepsy and with ragged red fibers) 277.87