

N | |
| Nasal Allergies | HC2 |
| Nasopharyngeal Culture | HLCMS |
| Neck X-Ray | HLCMS |
| Nerve Biopsy | HLCMS |
| Nerve Conduction Study | Gale Encyclopedia of Neurological Disorders |
| Neurologic Exam | Gale Encyclopedia of Medicine |
| Neuropsychological testing | Gale Encyclopedia of Mental Disorders |
| Newborn Screening | HLCMS |
| Nuclear Medicine Scans | Gale Encyclopedia of Cancer |
| Nuclear Ventriculography | HLCMS |


