| Abbreviation | Definition |
|---|---|
| CQA | Critical Quality Attribute |
| CR | Collection Report |
| CRA | Clinical Research Associate |
| CRB | Change Review Board |
| CRB(CBER) | Clinical Review Branch (CBER) |
| CRC | Civil Rights Center |
| CRC | Civil Rights Center (U.S. Department of Labor) |
| CRC | Clinical Research Coordinator |
| CRCL | creatinine clearance |
| CRCPD | Conference of Radiation Control Program Directors |
| CRF | Case Report Form |
| CRF | chronic renal failure |
| CRIS | Clinical Research Information System |
| CRIS | Clinical Research Information System (NIH) |
| CRISP | Computer Retrieval of Information on Scientific Projects |
| CRIX | Clinical Research Information Exchange |
| CRL | Complete Response Letter |
| CRM | Corporate Records Management |
| CRMT(OC) | Cosmetics Toxicology Branch (CFSAN) |
| CRMTS | CBER (Center for Biologics Evaluation and Research) Regulatory Meetings management Tracking System |