| Abbreviation | Definition |
|---|---|
| NCIMS | National Conference on Interstate Milk Shipments |
| NCIPC | National Center for Injury Prevention and Control |
| NCL | National Consumers League |
| NCMHD | National Center on Minority Health and Health Disparities |
| NCNR | National Center for Nursing Research |
| NCNR | National Center for Nursing Research (NIH) |
| NCP | Non-Conforming Product |
| NCPDP | National Council for Prescription Drug Programs |
| NCPHI | National Center for Public Health Informatics |
| NCPIE | National Council on Patient Information and Education |
| NCR | Non-Conformance Report |
| NCRM | National Comorbidity Survey Replication |
| NCRP | National Council on Radiation Protection and Measurements |
| NCRR | National Center for Research Resources |
| NCS | National Communications System |
| NCS | Not Clinically Significant |
| NCSES | National Center for Science and Engineering Statistics (NSF) |
| NCTR | National Center for Toxicological Research |
| NCVHS | National Committee on Vital and Health Statistics |
| NCVIA | National Childhood Vaccine Injury Act of 1986 |