| Abbreviation | Definition |
|---|---|
| CO | course organiser |
| CO | cumulus oophorus |
| CO | cyclooxygenase |
| CO | cytochrome oxidase |
| COAD | chronic obstructive airways disease (more commonly, COPD) |
| COAD | chronic occlusive arterial disease |
| COAD | clinician-oriented access to data |
| COC | Combined Oral Contraceptive Pill |
| COGIT | Chief Officers Group of Information Technology |
| COGIT | Chief Officers??? Group of Information Technology |
| COGIT | Chief Officers’ Group of Information Technology |
| COGPEDXX | Committee of General Practice Education Directors |
| COH | canals of Hering |
| COH | College of Health |
| COH | compensatory ovarian hypertrophy |
| COH | controlled ovarian hyperstimulation |
| COI | cardiac output index |
| COI | central obesity index |
| COI | Central Office of Information |
| COI | collagen type I |