| Abbreviation | Definition |
|---|---|
| CCU | clean catch urine |
| CCVDF | Codex Committee on Veterinary Drugs in Foods |
| CDA | Clinical Document Architecture |
| CDASH | Clinical Data Acquisition Standards Harmonization |
| CDCP | Centers for Disease Control and Prevention |
| CDDI | Collaboration for Drug Development Improvement |
| CDDTB | Career Development and Directed Training Branch |
| CDDTB(CBER) | Career Development and Directed Training Branch (CBER) |
| CDER | Center for Drug Evaluation and Research |
| CDER | Center for Drug Evaluation and Research (FDA) |
| CDIS | Component Distribution Information System |
| CDISC | Clinical Data Interchange Standards |
| CDISC | Clinical Data Interchange Standards Consortium |
| CDM | Clinical Data Management |
| CDP | Candidate Development Program |
| CDP | Career Development Plan |
| CDR | Central Document Room |
| CDR | Clinical Drug Request |
| CDR | Cognitive Drug Research |
| CDRH | Center for Devices and Radiological Health |