| NAA | N-acetyl aspartate; naphthaleneacetic acid; neutral amino acid; neutron activation analysis; neutrophil aggregation activity; nicotinic acid amide; no apparent abnormalities |
|---|---|
| NAA/Cr | N-acetyl aspartate/creatine [ratio] |
| NAACLS | National Accrediting Agency for Clinical Laboratory Sciences |
| NAACOG | Nurses Association of the American College of Obstetricians and Gynecologists |
| NAAG | N-Acetyl Aspartyl Glutamate |
| NAAP | N-acetyl-4-amino-phenazone |