| NAHDO | National Association of Health Data Organizations |
|---|---|
| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |
| NDA | National Dental Association; New Drug Application; no data available; no detectable activity; no det... |
| NDAC | not data accepted |
| NDC | National Data Communications; National Drug Code; Naval Dental Clinic; nondifferentiated cell |