Tracheobronchomegaly (congenital)  748.3 | 
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  Tracheobronchopneumonitis - see Pneumonia, broncho  | 
  Tracheocele (external) (internal)  519.19 | 
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  Tracheopharyngitis (acute)  465.8 | 
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  Tracheostomy  | 
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  Trachoma, trachomatous  076.9 | 
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  Training  | 
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  Trait  | 
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  Transfusion, blood  | 
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  Transient - see also condition  | 
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  Transitional, lumbosacral joint of vertebra  756.19 | 
  Translocation  | 
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  Transmission of chemical substances through the placenta (affecting fetus or newborn)  760.70 | 
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  Transplant (ed)  | 
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  Transplants, ovarian, endometrial  617.1 | 
  Transposed - see Transposition  | 
  Transposition (congenital) - see also Malposition, congenital  | 
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  Transverse - see also condition  | 
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  Transvestism, transvestitism (transvestic fetishism)  302.3 | 
  Trapped placenta (with hemorrhage)  666.0 | 
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  Trauma, traumatism (see also Injury, by site)  959.9 | 
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  Traumatic - see condition  | 
  Treacher Collins' syndrome (incomplete facial dysostosis)  756.0 | 
  Treitz's hernia - see Hernia, Treitz's  | 
  Trematode infestation NEC  121.9 | 
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  Trembling paralysis (see also Parkinsonism)  332.0 | 
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  Trench  | 
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  Treponema pallidum infection (see also Syphilis)  097.9 | 
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  Triad  | 
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  Trichinella spiralis (infection) (infestation)  124 | 
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