| Abbreviation | Definition |
|---|---|
| CSU | Commissioning Support Unit |
| CTALD | Community Team for Adults with Learning Disabilities |
| CtBP | Carboxyl terminal binding protein |
| CTBSL | Council Tax Benefit Subsidy Limitation |
| CTC | Communities That Care |
| CTC | CT cisternography |
| CTC | CT colonography |
| CTD | carboxy terminal domain |
| CTD | chest tube drainage |
| CTD | chronic tic disorder |
| CTD | circling the drain???flippant for near death |
| CTD | circling the drainflippant for near death |
| CTD | circling the drain–flippant for near death |
| CTD | clinical test for drunkenness |
| CTD | close to death |
| CTD | congenital thymic dysplasia |
| CTD | connective tissue disease |
| CTD | conotruncal defects |
| CTD | CT discography |
| CTG | cardiotocography |