| Abbreviation | Definition |
|---|---|
| NHQI | Nursing Home Quality Inspection |
| NHS | National Health Service (U.K.) |
| NHS | Non-Hospital Surgery |
| NHS | Northern Hospital Service |
| NHSL | National Hospital of Sri Lanka |
| NI | Near Inclusion |
| NI | New Instructions |
| NIAMH | Northern Ireland Association for Mental Health |
| NIBP | Non-Invasive Blood Pressure |
| NICARE | Northern Ireland Centre for Health Care Cooperation and Development |
| NICE | National Institute of Clinical Excellence |
| NICU | Neonatal Intensive Care Unit |
| NICVD | National Institute of Cardio-Vascular Diseases |
| NIGP | Nursing Innovation Grant Program |
| NIH | Northern Inyo Hospital |
| NIIW | National Infant Immunization Week |
| NIMHANS | National Institute of Mental Health and Neuro Sciences |
| NIMP | National Intern Matching Program |
| NIMS | Nizam's Institute of Medical Sciences |
| NIPS | Neonatal Infant Pain Scale |