| DDc | double concave |
|---|---|
| DDD | CT double-dose-delay computed tomography |
| DDH | developmental dysplasia of the hip; Diploma in Dental Health; dissociated double hypertropia |
| DDS | damaged disc syndrome; dendrodendritic synaptosome; dental distress syndrome; depressed DNA synthesi... |
| DFPP | double filtration plasmapheresis |