• Uehlinger's syndrome (acropachyderma) 757.39
  • Uhl's anomaly or disease (hypoplasia of myocardium, right ventricle) 746.84
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
  • Ulcerosa scarlatina 034.1
  • Ulcus - see also Ulcer
  • Ulegyria 742.4
  • Ulerythema
  • Ullrich (-Bonnevie) (-Turner) syndrome 758.6
  • Ullrich-Feichtiger syndrome 759.89
  • Ulnar - see condition
  • Ulorrhagia 523.8
  • Ulorrhea 523.8
  • Umbilicus, umbilical - see also condition
  • Unacceptable
  • Unavailability of medical facilities (at) V63.9
  • Uncinaria americana infestation 126.1
  • Uncinariasis (see also Ancylostomiasis) 126.9
  • Unconscious, unconsciousness 780.09
  • Under observation - see Observation
  • Underdevelopment - see also Undeveloped sexual 259.0
  • Underfill, endodontic 526.63
  • Undernourishment 269.9