| N/G | nasogastric |
|---|---|
| n/k | not known |
| N/m | newtons per meter |
| N/m2 | newtons per square meter |
| N/R | not remarkable |
| N/S | Normal Saline |
| N/S | normal saline [solution] |
| N/V/D | nausea, vomiting, diarrhea |
| N:C | nuclear-cytoplasmic ratio |
| NA | 1) Narcotic Anonymous 2) Nomina Anatomica; Anatomic Nomenclature; 해부학 명명법 |