NCI
National Cancer Institute

NEI
National Eye Institute

NHLBI
National Heart, Lung and Blood Institute

NHGRI
National Human Genome Research Institute

NIA
National Institute on Aging

NIAAA
National Institute on Alcohol Abuse and Alcoholism

NIAID
National Institute of Allergy and Infectious Diseases

NIAMS
National Institute of Arthritis and Musculoskeletal and Skin Diseases

NIBIB
National Institute of Biomedical Imaging and Bioengineering

NICHD
National Institute of Child Health and Human Development

NIDCD
National Institute on Deafness and Communications Disorders

NIDCR
National Institute of Dental Research

NIDDK
National Institute of Diabetes and Digestive and Kidney Diseases

NIDA
National Institute on Drug Abuse

NIEHS
National Institute of Environmental Health Sciences

NIGMS
National Institute of General Medical Sciences

NIMH
National Institute of Mental Health

NINDS
National Institute of Neurological Disorders and Stroke

NINR
National Institute of Nursing Research

NLM
National Library of Medicine

FIC
Fogarty International Center

NCCAM
National Center for Complementary and Alternative Medicine

NIMHD
National Institute on Minority Health and Health Disparities

NCATS
National Center for Advancing Translational Sciences

ORIP
Office of Research Infrastructure Programs

OAR
Office of AIDS Research

OBSSR
Office of Behavioral and Social Sciences Research

ODS
Office of Dietary Supplements

OITE
Office of Intramural Research and Education