| 
  Tympanites (abdominal) (intestine)  787.3 | 
  Tympanitis - see Myringitis  | 
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  Tympanum - see condition  | 
  Tympany  | 
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  Typhlitis (see also Appendicitis)  541 | 
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  Typhoid (abortive) (ambulant) (any site) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic)  002.0 | 
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  Typhomalaria (fever) (see also Malaria)  084.6 | 
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  Tyrosinosis (Medes) (Sakai)  270.2 | 
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  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 | 
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  Ulcerosa scarlatina  034.1 | 
  Ulcus - see also Ulcer  | 
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  Ulerythema  | 
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  Ullrich (-Bonnevie) (-Turner) syndrome  758.6 | 
  Ullrich-Feichtiger syndrome  759.89 | 
  Ulnar - see condition  | 
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  Umbilicus, umbilical - see also condition  | 
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  Unacceptable  | 
   | 
  Unavailability of medical facilities (at)  V63.9 | 
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  Uncinaria americana infestation  126.1 | 
  Uncinariasis (see also Ancylostomiasis)  126.9 | 
  Unconscious, unconsciousness  780.09 | 
  Underdevelopment - see also Undeveloped sexual  259.0 | 
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  Under observation - see Observation  | 
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  Underwood's disease (sclerema neonatorum)  778.1 | 
  Undescended - see also Malposition, congenital  | 
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  Undetermined diagnosis or cause  799.9 | 
  Undeveloped, undevelopment - see also Hypoplasia  | 
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  Undiagnosed (disease)  799.9 | 
  Undulant fever (see also Brucellosis)  023.9 | 
  Unemployment, anxiety concerning  V62.0 | 
  Unequal leg (acquired) (length)  736.81 | 
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