| Abbreviation | Definition |
|---|---|
| NPTH | Non-Pharmacological Treatment of Hypertension |
| NR | Nerve Root |
| NR | No Response |
| NR | Normal Range |
| NR | Not Remarkable |
| NR | Not Responsive |
| NR | Nutritional Requirement |
| NRA | Noteable Rectal Analwipes |
| NRBA | Neutrophil Respiratory Burst Activity |
| NRBC | Nucleated Red Blood Cell |
| NRBC | Nucleated Red Blood Cells |
| NRBF | Normalized Radial Basis Functions |
| NRD | Nucleus Raphe Dorsalis |
| NREM | Non Rapid Eye Movement |
| NRI | Nerve Root Irritation |
| NRM | Normal Range of Motion |
| NRM | Nucleus Raphe Magnus |
| NRN | No Return Necessary |
| NROM | Normal Range Of Motion |
| NRR | No Recognizeable Response |