| NCI | National Cancer Institute (NCI) |
| NIAID | National Institute of Allergy and Infectious Diseases (NIAID) |
| NIA | National Institute on Aging (NIA) |
| NIBS | |
| NINBR | |
| NINBR is proposed to consolidate the activities of National Institute of Dental and Craniofacial Research (NIDCR), National Institute of Neurological Disorders and Stroke (NINDS), and National Eye Institute (NEI) | |
| NIGMS | |
| The restructured NIGMS is proposed to consolidate the activities of the existing National Institute of General Medical Sciences (NIGMS), National Human Genome Research Institute (NHGRI), National Library of Medicine (NLM), National Institute of Biomedical Imaging and Bioengineering (NIBIB), and National Center for Advancing Translational Sciences (NCATS) | |
| NICWHSDC | |
| NICWHSDC is proposed to consolidate the activities of: National Institute of Child Health and Human Development (NICHD) and National Institute on Deafness and Other Communication Disorders (NIDCD) | |
| NIBH | |
| NIBH is proposed to consolidate the activities of: National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institute on Drug Abuse (NIDA), and National Institute of Mental Health (NIMH) | |
| B&F | |
| OAR | |
| OD | |
| CF | |