| Abbreviation | Definition |
|---|---|
| COC | Certified Outpatient Coder |
| COC | Certified Outpatient Coding |
| COCC | Certificate of Creditable Coverage |
| COCD | Certificate Of Continued Disability |
| COCEI | Certificate Of Competence in Early Intervention |
| COCN | Certified Ostomy Care Nurse |
| CODP | Certified Organisation Development Practitioner |
| CODP | Certified Organization Development Professional |
| COE | Certificate of Excellence |
| COF | Certification Of Finances |
| CofD | Certificate of Design |
| COFO | Certificate Of Occupancy |
| COFR | Certificate Of Financial Responsibility |
| COGS | Certificate of good standing |
| COGU | Certification In Obstetrical And Gynaecological Ultrasound |
| COHN | Certified Occupational Health Nurse |
| COI | Certificate Of Inspection |
| COIC | Certificate of integrity and Compliance |
| COIC | Certified Office and Industrial Consultant |
| COIF | Certificate of Initial Fitness |