Constitutional - see also condition  | 
   | 
  Constitutionally substandard  301.6 | 
  Constriction  | 
   | 
  Constrictive - see condition  | 
   | 
   | 
  Consumption - see Tuberculosis  | 
  Contact  | 
   | 
  Contamination, food (see also Poisoning, food)  005.9 | 
  Contraception, contraceptive  | 
   | 
  Contraction, contracture, contracted  | 
   | 
  Contusion (skin surface intact)  924.9 | 
   | 
  Conus (any type) (congenital)  743.57 | 
   | 
  Convalescence (following)  V66.9 | 
   | 
  Conversion  | 
   | 
  Converter, tuberculosis (test reaction)  795.5 | 
  Convulsions (idiopathic)  780.39 | 
   | 
  Convulsive - see also Convulsions  | 
   | 
  Cooke-Apert-Gallais syndrome (adrenogenital)  255.2 | 
  Cooley's anemia (erythroblastic)  282.49 | 
   | 
  Cooper's  | 
   | 
  Coordination disturbance  781.3 | 
  Copper wire arteries, retina  362.13 | 
   | 
   | 
   | 
  Coproporphyria, hereditary  277.1 | 
   | 
   | 
  Cor  | 
   | 
   | 
  Cord - see also condition  | 
   | 
  Cord's angiopathy (see also Tuberculosis)  017.3 [362.18]  | 
   | 
  Corditis (spermatic)  608.4 | 
   | 
  Cori type glycogen storage disease - see Disease, glycogen storage  | 
  Cork-handlers' disease or lung  495.3 | 
  Corkscrew esophagus  530.5 | 
  Corlett's pyosis (impetigo)  684 | 
   | 
  Cornea - see also condition  | 
   | 
  Cornelia de Lange's syndrome (Amsterdam dwarf, mental retardation, and brachycephaly)  759.89 | 
  Cornual gestation or pregnancy - see Pregnancy, cornual  | 
   | 
  Coronary (artery) - see also condition  | 
   | 
  Corpora - see also condition  | 
   | 
  Corpulence (see also Obesity)  | 
  Corpus - see condition  | 
  Corrigan's disease - see Insufficiency, aortic  | 
  Corrosive burn - see Burn, by site  | 
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