List of medical abbreviations: N
Abbreviation | Meaning |
---|---|
Nφ | Neutrophil |
Na | sodium (from Latin natrium) |
NA | negative appendectomy |
NAAT | nuclear acid amplification test |
NABS | normoactive bowel sounds |
NAC | n-acetyl cysteine |
NAD | no abnormality detected no apparent distress (and many variations of the above) |
NAD+ | nicotinamide adenine dinucleotide |
NAFLD | Non-alcoholic fatty liver disease |
NAS | no added salt |
NASH | Non-alcoholic steatohepatitis |
NB | newborn (infant) note well (please pay attention) (from Latin nota bene) |
NBN | newborn nursery |
NBIA | neurodegeneration with brain iron accumulation |
NBT | nitroblue tetrazolium |
NBTE | nonbacterial thrombotic endocarditis |
NC | nerve action potential nasal cannula |
NCAT | Normocephalic, atraumatic; also written NC/AT |
NCC | noncompaction cardiomyopathy |
NCEP | National Cholesterol Education Program |
NCS | nerve conduction study |
NCT | nerve conduction test, aka nerve conduction study |
NCV | nerve conduction velocity (see nerve conduction study) |
ND | (examination) not done |
NDI | nephrogenic diabetes insipidus |
NDSC | National Decision Support Company |
NE | norepinephrine |
Ne | neutrophil granulocytes |
NEAP | Net Endogenous Acid Production |
NEC | not elsewhere classified necrotizing enterocolitis |
NED | No evidence of disease |
Neg | negative |
Neo | neoplasm |
NES | not elsewhere specified |
NFR | not for resuscitation |
NG | nasogastric |
NGT NG tube |
nasogastric tube |
NGTD | negative to date / no growth to date |
NGU | nongonococcal urethritis |
NH | nursing home |
NHL | non-Hodgkin lymphoma |
NHW | non-healing wound |
NICMP NICM |
non-ischemic cardiomyopathy |
NICU | neonatal intensive care unit |
NIDDM | non-insulin-dependent diabetes mellitus |
NIF | Negative inspiratory force |
NIH | National Institutes of Health |
NIPPV | Nasal intermittent positive pressure ventilation |
NK NK cells |
natural killer cells |
NKA | no known allergies |
NKDA | no known drug allergies |
Nl | normal |
NLP | no light perception (highest degree of blindness) |
NM | nuclear medicine |
NMR | nuclear magnetic resonance |
NNH | number needed to harm |
NNT | number needed to treat |
NO | nitric oxide |
No. | number |
NOF | neck of femur fracture (refers to hip fracture) |
NOMI | nonocclusive mesenteric ischemia |
Non rep. | do not repeat |
NOS | nitric oxide synthase; not otherwise specified |
NPA | nasal pharyngeal aspirate |
NPH | normal pressure hydrocephalus |
Npl | neoplasm |
NP | Nurse Practitioner |
NPC | nasopharyngeal carcinoma |
NPO | nil per os (nothing by mouth) |
NPPV | noninvasive positive pressure ventilation |
NPT | neuropsychiatric testing |
NPTAC | no previous tracing available for comparison |
NPV | negative predictive value |
NRB | non-rebreather mask |
NRBC | nucleated red blood cells |
NREM | non–rapid eye movement |
n.s. | not significant |
NS | normal saline |
NSA | no significant abnormality |
NSAID | nonsteroidal antiinflammatory drug |
NSBB | Non-selective beta blocker |
NSCC | Non-squamous-cell carcinoma |
NSCLC | non–small cell lung carcinoma |
NSD | normal spontaneous delivery (see childbirth) |
NSE | neurospecific enolase |
NSIP | Non-specific interstitial pneumonia |
NSR | normal sinus rhythm |
NST | non-stress test (see cardiotocograph) |
NSTEMI | non-ST-elevation myocardial infarction |
NSU | nonspecific urethritis |
NSVD | normal spontaneous vaginal delivery |
NT | not tested nuchal translucency |
NTD | neural tube defect |
NTG | nitroglycerin |
n/t | numbness and tingling |
NTP | Nortriptyline |
NTT | nasotracheal tube (see intubation) |
NTX | N-telopeptide |
nu | in each nostril |
N&V n/v |
nausea and vomiting |
NVD | normal vaginal delivery (see childbirth); nausea, vomiting, and diarrhea |
NVDC | nausea, vomiting, diarrhea, and constipation |
NVI | Neurovascularly intact |
NWB | Non-weight-bearing |
NYD | Not yet diagnosed |
NYHA | New York Heart Association |
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Contributors: Prab R. Tumpati, MD