• Rebound tenderness 789.6
  • Recalcitrant patient V15.81
  • Recanalization, thrombus - see Thrombosis
  • Recession, receding
  • Recklinghausen's disease (M9540/1) 237.71
  • Recklinghausen-Applebaum disease (hemochromatosis) 275.0
  • Reclus' disease (cystic) 610.1
  • Recrudescent typhus (fever) 081.1
  • Recruitment, auditory 388.44
  • Rectalgia 569.42
  • Rectitis 569.49
  • Rectocele
  • Rectosigmoid junction - see condition
  • Rectosigmoiditis 569.89
  • Rectourethral - see condition
  • Rectovaginal - see condition
  • Rectovesical - see condition
  • Rectum, rectal - see condition
  • Recurrent - see condition
  • Red bugs 133.8
  • Red cedar asthma 495.8
  • Redness