| 
  Coxsackie (infection) (virus)  079.2 | 
   | 
  Crabs, meaning pubic lice  132.2 | 
   | 
  Cracked  | 
   | 
   | 
   | 
   | 
   | 
   | 
  Cranial - see condition  | 
   | 
   | 
  Craniofenestria (skull)  756.0 | 
  Craniolacunia (skull)  756.0 | 
   | 
  Craniopathy, metabolic  733.3 | 
  Craniopharyngeal - see condition  | 
  Craniopharyngioma (M9350/1)  237.0 | 
  Craniorachischisis (totalis)  740.1 | 
   | 
   | 
   | 
  Craniotabes (cause unknown)  733.3 | 
   | 
   | 
  Cranium - see condition  | 
   | 
  CRBSI (catheter-related bloodstream infection )  999.31 | 
   | 
   | 
  Creeping  | 
   | 
   | 
   | 
  Crepitus  | 
   | 
  Crescent or conus choroid, congenital  743.57 | 
  Cretin, cretinism (athyrotic) (congenital) (endemic) (metabolic) (nongoitrous) (sporadic)  243 | 
   | 
  Cretinoid degeneration  243 | 
  Creutzfeldt-Jakob disease (CJD) (syndrome)  046.19 | 
   | 
   | 
   | 
   | 
  Crigler-Najjar disease or syndrome (congenital hyperbilirubinemia)  277.4 | 
  Crimean hemorrhagic fever  065.0 | 
   | 
  Crisis  | 
   | 
  Crocq's disease (acrocyanosis)  443.89 | 
  Crohn's disease (see also Enteritis, regional)  555.9 | 
  Cronkhite-Canada syndrome  211.3 | 
  Crooked septum, nasal  470 | 
  Cross  | 
   | 
  Crossed ectopia of kidney  753.3 | 
   | 
 |  |