- Dentinogenesis imperfecta 520.5
- Dentinoma (M9271/0) 213.1
- Dentition 520.7
- Denture sore (mouth) 528.9
- Dependence
- Dependency
- Depersonalization (episode, in neurotic state) (neurotic) (syndrome) 300.6
- Depletion
- Deposit
- Depraved appetite 307.52
- Depression 311
- Depressive reaction - see also Reaction, depressive
- Deprivation
- Derangement
- Dercum's disease or syndrome (adiposis dolorosa) 272.8
- Derealization (neurotic) 300.6
- Dermal - see condition
- Dermaphytid - see Dermatophytosis
- Dermatergosis - see Dermatitis
- Dermatitis (allergic) (contact) (occupational) (venenata) 692.9
- Dermatoarthritis, lipoid 272.8 [713.0]
- Dermatochalasia, dermatochalasis 374.87