| Abbreviation | Definition |
|---|---|
| NCC | National Coordinating Committee |
| NCCAM | National Center for Complementary and Alternative Medicine |
| NCCDPHP | National Center for Chronic Disease Prevention and Health Promotion |
| NCCLS | National Committee for Clinical Laboratory Standards |
| NCDC | National Centre for Disease Control, India |
| NCDCP | National Council on Prescription Drug Programs |
| NCE | New Chemical Entity |
| NCEH | National Center for Environmental Health |
| NCER | Non-Conformance Escalation Report |
| NCFST | National Center for Food Safety and Technology |
| NCHGR | National Center for Human Genome Research |
| NCHGR | National Center for Human Genome Research (NIH) |
| NCHM | National Center for Health Marketing |
| NCHS | National Center for Health Statistics |
| NCHSTP | National Center for HIV, STD, and TB Prevention |
| NCI | National Cancer Institute |
| NCID | National Center for Infectious Diseases |
| NCIE | National Center for Import and Export |
| NCIE | Notice of Claimed Investigational Exemption |
| NCIE | Notice of Claimed Investigational Exemption for a New Animal Drug |