• Twinning, teeth 520.2
  • Twist, twisted
  • Twitch 781.0
  • Tylosis 700
  • Tympanism 787.3
  • Tympanites (abdominal) (intestine) 787.3
  • Tympanitis - see Myringitis
  • Tympanosclerosis 385.00
  • Tympanum - see condition
  • Tympany
  • Typhlitis (see also Appendicitis) 541
  • Typhoenteritis 002.0
  • Typhogastric fever 002.0
  • Typhoid (abortive) (ambulant) (any site) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) 002.0
  • Typhomalaria (fever) (see also Malaria) 084.6
  • Typhomania 002.0
  • Typhoperitonitis 002.0
  • Typhus (fever) 081.9
  • Tyrosinemia 270.2
  • Tyrosinosis (Medes) (Sakai) 270.2
  • Tyrosinuria 270.2
  • Tyrosyluria 270.2