- CHARGE association (syndrome) 759.89
- Charleyhorse (quadriceps) 843.8
- Charlouis' disease (see also Yaws) 102.9
- Chauffeur's fracture - see Fracture, ulna, lower end
- Cheadle (-Möller) (-Barlow) disease or syndrome (infantile scurvy) 267
- Checking (of)
- Checkup
- Chédiak-Higashi (-Steinbrinck) anomaly, disease, or syndrome (congenital gigantism of peroxidase granules) 288.2
- Cheek - see also condition
- Cheese itch 133.8
- Cheese washers' lung 495.8
- Cheilitis 528.5
- Cheilodynia 528.5
- Cheilopalatoschisis (see also Cleft, palate, with cleft lip) 749.20
- Cheilophagia 528.9
- Cheiloschisis (see also Cleft, lip) 749.10
- Cheilosis 528.5
- Cheiromegaly 729.89
- Cheiropompholyx 705.81
- Cheloid (see also Keloid) 701.4
- Chemical burn - see also Burn, by site
- Chemodectoma (M8693/1) - see Paraganglioma, nonchromaffin
