- Dioctophyma renale (infection) (infestation) 128.8
- Dipetalonemiasis 125.4
- Diphallus 752.69
- Diphtheria, diphtheritic (gangrenous) (hemorrhagic) 032.9
- Diphyllobothriasis (intestine) 123.4
- Diplacusis 388.41
- Diplegia (upper limbs) 344.2
- Diplococcus, diplococcal - see condition
- Diplomyelia 742.59
- Diplopia 368.2
- Dipsomania (see also Alcoholism) 303.9
- Dipylidiasis 123.8
- Direction, teeth, abnormal 524.30
- Dirt-eating child 307.52
- Disability, disabilities
- Disarticulation (see also Derangement, joint) 718.9
- Disaster, cerebrovascular (see also Disease, cerebrovascular, acute) 436
- Discharge
- Discitis 722.90
- Discogenic syndrome - see Displacement, intervertebral disc
- Discoid
- Discoloration
