| Abbreviation | Definition |
|---|---|
| CCTU | Comprehensive Clinical Trials Unit |
| CCTU | Cornell Clinical Trials Unit |
| CD | Clinical Dietitian |
| CDB | Clinical Data Base |
| CDI | Clinical Documentation Improvement |
| CDID | Clinical and Diagnostic Immunology Division |
| CDLT | Clinical Diagnostic Lab Tests |
| CDLT | Clinical Diagnostic Laboratory Tests |
| CDMA | Clinical Data Management and Analysis |
| CDMM | Clinical Decision Making Model |
| CDMM | Clinical Decision Making Module |
| CDMS | Clinical Data Management System |
| CDMS | Clinical Diagnosis And Medication Summary |
| CDR | Clinical Data Repository Clinical Data Repository |
| CDRC | Clinical Disaster Research Center |
| CDRP | Clinical Drug Review Program |
| CDSI | Clinical Decision Support for Immunizations |
| CDSI | Clinical Decision Support Immunization |
| CDSM | Clinical Decision Support Mechanisms |
| CDSS | Clinical Decision Support Service |