• Nonfunctioning
  • Nonhealing
  • Nonimplantation of ovum, causing infertility 628.3
  • Noninsufflation, fallopian tube 628.2
  • Nonne-Milroy-Meige syndrome (chronic hereditary edema) 757.0
  • Nonovulation 628.0
  • Nonpatent fallopian tube 628.2
  • Nonpneumatization, lung NEC 770.4
  • Nonreflex bladder 596.54
  • Nonretention of food - see Vomiting
  • Nonrotation - see Malrotation
  • Nonsecretion, urine (see also Anuria) 788.5
  • Nonunion
  • Nonviability 765.0
  • Nonvisualization, gallbladder 793.3
  • Nonvitalized tooth 522.9
  • Normal
  • Normoblastosis 289.89
  • Normocytic anemia (infectional) 285.9
  • Norrie's disease (congenital) (progressive oculoacousticocerebral degeneration) 743.8
  • North American blastomycosis 116.0
  • Norwegian itch 133.0