| Cholemia (see also Jaundice) 782.4 | 
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  | Cholemic gallstone - see Cholelithiasis | 
  | Choleperitoneum, choleperitonitis (see also Disease, gallbladder) 567.81 | 
  | Cholera (algid) (Asiatic) (asphyctic) (epidemic) (gravis) (Indian) (malignant) (morbus) (pestilential) (spasmodic) 001.9 | 
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  | Cholerine (see also Cholera) 001.9 | 
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  | Cholesteatosis (middle ear) (see also Cholesteatoma) 385.30 | 
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  | Cholesterin | 
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  | Cholesterol | 
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  | Cholesterosis, cholesterolosis (gallbladder) 575.6 | 
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  | Cholocolic fistula (see also Fistula, gallbladder) 575.5 | 
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  | Chondroangiopathia calcarea seu punctate 756.59 | 
  | Chondroblastoma (M9230/0) - see also Neoplasm, bone, benign | 
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  | Chondrocalcinosis (articular) (crystal deposition) (dihydrate) (see also Arthritis, due to, crystals) 275.49  [712.3] | 
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  | Chondrodermatitis nodularis helicis 380.00 | 
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  | Chondrodystrophia (fetalis) 756.4 | 
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  | Chondrodystrophy (familial) (hypoplastic) 756.4 | 
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  | Chondroectodermal dysplasia 756.55 | 
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  | Chondroma (M9220/0) - see also Neoplasm cartilage, benign | 
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  | Chondromatosis (M9220/1) - see Neoplasm, cartilage, uncertain behavior | 
  | Chondromyxosarcoma (M9220/3) - see Neoplasm, cartilage, malignant | 
  | Chondro-osteodysplasia (Morquio-Brailsford type) 277.5 | 
  | Chondro-osteodystrophy 277.5 | 
  | Chondro-osteoma (M9210/0) - see Neoplasm, bone, benign | 
  | Chondropathia tuberosa 733.6 | 
  | Chondrosarcoma (M9220/3) - see also Neoplasm, cartilage, malignant | 
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  | Chordae tendineae rupture (chronic) 429.5 | 
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  | Chorditis (fibrinous) (nodosa) (tuberosa) 478.5 | 
  | Chordoma (M9370/3) - see Neoplasm, by site, malignant | 
  | Chorea (gravis) (minor) (spasmodic) 333.5 | 
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  | Choreoathetosis (paroxysmal) 333.5 | 
  | Chorioadenoma (destruens) (M9100/1) 236.1 | 
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  |  | 
  | Chorioangioma (M9120/0) 219.8 | 
  | Choriocarcinoma (M9100/3) | 
  |  | 
  | Chorioencephalitis, lymphocytic (acute) (serous) 049.0 | 
  | Chorioepithelioma (M9100/3) - see Choriocarcinoma | 
  | Choriomeningitis (acute) (benign) (lymphocytic) (serous) 049.0 | 
  | Chorionepithelioma (M9100/3) - see Choriocarcinoma | 
  | Chorionitis (see also Scleroderma) 710.1 | 
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