- Chondro-osteodystrophy 277.5
- Chondro-osteoma (M9210/0) - see Neoplasm, bone, benign
- Chondroangiopathia calcarea seu punctate 756.59
- Chondroblastoma (M9230/0) - see also Neoplasm, bone, benign
- Chondrocalcinosis (articular) (crystal deposition) (dihydrate) (see also Arthritis, due to, crystals) 275.49 [712.3]
- Chondrodermatitis nodularis helicis 380.00
- Chondrodysplasia 756.4
- Chondrodystrophia (fetalis) 756.4
- Chondrodystrophy (familial) (hypoplastic) 756.4
- Chondroectodermal dysplasia 756.55
- Chondrolysis 733.99
- Chondroma (M9220/0) - see also Neoplasm cartilage, benign
- Chondromalacia 733.92
- Chondromatosis (M9220/1) - see Neoplasm, cartilage, uncertain behavior
- Chondromyxosarcoma (M9220/3) - see Neoplasm, cartilage, malignant
- Chondropathia tuberosa 733.6
- Chondrosarcoma (M9220/3) - see also Neoplasm, cartilage, malignant
- Chordae tendineae rupture (chronic) 429.5
- Chordee (nonvenereal) 607.89
- Chorditis (fibrinous) (nodosa) (tuberosa) 478.5
- Chordoma (M9370/3) - see Neoplasm, by site, malignant
- Chorea (gravis) (minor) (spasmodic) 333.5