| CNA | calcium nutrient agar; Canadian Nurses Association; certified nursing assistant |
|---|---|
| CNM | Certified Nurse-Midwife; computerized nuclear morphometry |
| CNMT | Certified Nuclear Medicine Technologist |
| COHN | Certified Occupational Health Nurse |
| COMT | catecholamine O-methyl transferase; certified ophthalmic medical technologist |