| Cooley's anemia (erythroblastic) 282.49 | 
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  | Cooper's | 
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  | Coordination disturbance 781.3 | 
  | Copper wire arteries, retina 362.13 | 
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  | Coproporphyria, hereditary 277.1 | 
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  | Cor | 
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  | Cord - see also condition | 
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  | Cord's angiopathy (see also Tuberculosis) 017.3  [362.18] | 
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  | Corditis (spermatic) 608.4 | 
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  | 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 | 
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  | Cornea - see also condition | 
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  | Cornelia de Lange's syndrome (Amsterdam dwarf, mental retardation, and brachycephaly) 759.89 | 
  | Cornual gestation or pregnancy - see Pregnancy, cornual | 
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  | Coronary (artery) - see also condition | 
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  | Corpora - see also condition | 
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  | Corpulence (see also Obesity) | 
  | Corpus - see condition | 
  | Corrigan's disease - see Insufficiency, aortic | 
  | Corrosive burn - see Burn, by site | 
  | Corsican fever (see also Malaria) 084.6 | 
  | Cortical - see also condition | 
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  | Corticoadrenal - see condition | 
  | Corticosexual syndrome 255.2 | 
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  | Costen's syndrome or complex 524.60 | 
  | Costiveness (see also Constipation) 564.00 | 
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  | Cotard's syndrome (paranoia) 297.1 | 
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  | Couvelaire uterus (complicating delivery) - see Placenta, separation | 
  | Cowper's gland - see condition | 
  | Cowperitis (see also Urethritis) 597.89 | 
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