| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
|---|---|
| NAPNAP | National Association of Pediatric Nurse Associates and Practitioners |
| NCM | nailfold capillary microscopy; nurse case manager |
| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |
| NESP | Nurse Education Support Program |