Dictionary of Medical Acronyms & Abbreviations

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[ N ]

N₁ | N₂ | N₃ | N₄ | N₅ | N₆ | N₇ |

NNRTI nonnucleoside reverse transcriptase inhibitor
NNS neural network Sramek [equation]; nicotine nasal spray; nonneoplastic syndrome
NNS III Third Nationwide Nutritional Survey [China, 1992]
NNT nuclei nervi trigemini; number needed to treat
NNU neonatal unit
NNWI Neonatal Narcotic Withdrawal Index
NO narcotics officer; nitric or nitrous oxide; none obtained; nonobese; nurse's office
No nobelium
No, no number [Lat. numero]
NOA National Optometric Association; nitro-L-arginine
NOABX no antibiotics
NOAEL no observed adverse effect level
NOAH New York Online Access to Health
NOAPP National Organization of Adolescent Pregnancy and Parenting
N_obs number of observations
NOBT nonoperative biopsy technique
NOC N-nitroso compound; not otherwise classified; nursing outcomes classification
NOCDQ nursing organizational climate description questionnaire
NOD Naito-Oyanagi disease; National Organization on Disability; nodular melanoma; nonobese diabetic [mouse]; notify of death
NOE naso-orbital-ethmoid [fracture]; nuclear Overhauser effect
NOEC no observed effect concentration
NOEL no observed effect level
NOES National Occupational Exposure Survey
NOESY nuclear Overhauser effect spectroscopy
NOF National Osteopathic Foundation; National Osteoporosis Foundation
NOFT nonorganic failure-to-thrive
NOHS National Occupational Hazards Survey
NOII nonocclusive intestinal ischemia
NOK next of kin
NOL nitric oxide level
NOLAV Nola virus
nom dub a doubtful name [Lat. nomen dubium]
NOMI nonocclusive mesenteric infarction
NONMEM nonlinear mixed effects model
non-REM non-rapid eye movement [sleep]
NOP not otherwise provided for
NOPHN National Organization for Public Health Nursing
NOR Neurologic Outcome Research; noradrenaline; normal; nortriptyline; nucleolar organizer region
NORA Nordic Research on Aging
NORASEPT North American Sepsis Trial
NORC National Opinion Research Center
NORD National Organization for Rare Disorders
NORDIL Nordic Diltiazem [study]
NORDUnet Nordic Countries Network
NOR-EPI norepinephrine
norleu norleucine
NORM naturally occurring radioactive material
norm normal
NORML National Organization for the Reform of Marijuana Laws
NORV Northway virus
NOS network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise specified
NOs nitric oxide synthetase
NOSAC nonsteroidal anti-inflammatory compound
NOSER Newton's one-step error reconstructor
NOSIC Neurologic Outcome Scale for Infants and Children
NOSIE Nurses' Observation Scale for Inpatient Evaluation
NOSTA Naval Ophthalmic Support and Training Activity
NOT nocturnal oxygen therapy
NOTB National Ophthalmic Treatment Board
NOTT Nocturnal Oxygen Therapy Trial
NOV Nodamura virus; Novantrone
nov n new name [Lat. novum nomen]
NOVS National Office of Vital Statistics
nov sp new species [Lat. novum species]
NOW network of workstations
NOWIS North Wurttemberg Infarction Study
NO_x nitrogen oxide
NP 4-hydroxy-3-nitrophenylacetyl; nasopharynx, nasopharyngeal; natriuretic peptide; near point; necrotizing pancreatitis; neonatal-perinatal; nerve palsy; neuritic plague; neuropathic pain; neuropathology; neuropeptide; neurophysin; neuropsychiatry; new patient; newly presented; Niemann-Pick [disease]; nitrogen-phosphorus; nitrophenol; nitroprusside; no pain; no pressure; nonpalpable; nonparalytic; nonpathogenic; nonphagocytic; nonpracticing; no progress or progression; normal plasma; normal pressure; nosocomial pneumonia; not palpable; not perceptible; not performed; not pregnant; not present; not protected; nucleoplasmic; nucleoprotein; nucleoside phosphorylase; nurse practitioner; nursed poorly; nursing procedure; proper name [Lat. nomen proprium]
N-P need-persistence
Np neper; neptunium; neurophysin
np nucleotide pair
NPA nasopharyngeal airway; nasopharyngeal aspirate; National Pharmaceutical Association; National Pituitary Agency; near point accommodation; negative predictive accuracy; Nurse Practice Act
NPa nail-patella [syndrome]
nPA lanoteplase
NPACI National Partnership for Advanced Computational Infrastructure
NPA-NIHHDP National Pituitary Agency-National Institutes of Health Hormone Distribution Program
N_par number of parameters
NPAT nonparoxysmal atrial tachycardia
NPB nodal premature beat; nonprotein bound
NPBF nonplacental blood flow
NPBV negative pressure body ventilator
NPC nasopharyngeal carcinoma; near point of convergence; neuroparacoccidioidomycosis; nodal premature contractions; nonparenchymal [liver] cell; nonphysician clinician; nonproductive cough; nucleus of posterior commissure; nursing protocol consultant
NPCa nasopharyngeal carcinoma
NPCP National Prostatic Cancer Project; non-Pneumocystis carinii pneumonia
NPCRDC National Primary Care Research and Development Centre [UK]
NP cult nasopharyngeal culture
NPD narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-Pick disease; nitrogen-phosphorus detector; nonpathologic diagnosis; normal protein diet
NPDB National Practitioner Data Bank
NPDC neurofibromatosis-pheochromocytoma-duodenal carcinoid [syndrome]
NPDL nodular poorly differentiated lymphocytic
NPDR nonproliferative diabetic retinopathy
NPE neurogenic pulmonary edema; neuropsychologic examination; no palpable enlargement; normal pelvic examination
NPF nasopharyngeal fiberscope; National Parkinson Foundation; National Pharmaceutical Foundation; National Provider File; National Psoriasis Foundation; neuronal population function; no predisposing factor
NPFT Neurotic Personality Factor Test
NPGA niched Pareto algorithm
NPH nephrophthisis; neutral protamine Hagedorn (insulin) [not used anymore]; normal pressure hydrocephalus; nucleus pulposus herniation
NPHCE national personal health care expenditures
NPHDO Nadroparin Posthospital Discharge in Orthopedy [study]
NPHE natural phenomenon [UMLS]
NP HRF nasal pool histamine-releasing factor
NPHS National Population Health Survey [Canada]; Northwick Park Heart Study
NPhx nasopharynx
NPI Narcissistic Personality Inventory; National Provider Identifier; neuropsychiatric institution; neuropsychiatric inventory; no present illness; nuclear polymorphism index; nucleoplasmic index
NPIC neurogenic peripheral intermittent claudication
NPII Neonatal Pulmonary Insufficiency Index
NPIP N-nitrosopiperidine
NPJT nonparoxysmal atrioventricular junctional tachycardia
NPK neuropeptide K
nPKC novel protein kinase C
NPL National Physics Laboratory; neoproteolipid
NPM nonpacemaker [cells]; nothing per mouth
NPN neural Petri net; nonprotein nitrogen
NPO nothing by mouth [Lat. nil per os]; nucleus preopticus
NPO/HS nothing by mouth at bedtime [Lat. nil per os hora somni]
NPOS nurses professional orientation scale
NPP nitrophenylphosphate; normal pool plasma; nucleus tegmenti pedunculopontinus
NPPase nucleotide pyrophosphatase
NPPC Nursing Professional Practice Council
NPPE negative pressure pulmonary edema
NPPH nucleotide pyrophosphohydrolase
NPPNG nonpenicillinase-producing Neisseria gonorrhoeae
NP polio nonparalytic poliomyelitis
NPPV noninvasive positive-pressure ventilation
NPR net protein ratio; normal pulse rate; nucleoside phosphoribosyl
NPRL Navy Prosthetics Research Laboratory
NPS nail-patella syndrome; nasopharyngeal secretion; National Pharmaceutical Stockpile; neonatal progeroid syndrome; noise power spectrum
NPSA normal pilosebaceous appartus
NPSH nonprotein sulhydryl [group]
NPT nasal provocation test; neoprecipitin test; nocturnal penile tumescence; normal pressure and temperature; sodium phosphate transport
NPTR National Pediatric Trauma Registry
NPU net protein utilization
NPUI nursing process utilization inventory
NPV negative predictive value; negative pressure value; negative pressure ventilation; net present value; nuclear polyhidrosis virus; nucleus paraventricularis
NPY neuropeptide Y
NPYR neuropeptide Y receptor; nitrosopyrrolidine
N pyr nitrosopyrrolidine
NQA nursing quality assurance
NQMI non-Q-wave myocardial infarction
NQO NAD(P)H:quinone oxidoreductase
4NQO 4-nitroquinoline 1-oxide
NQR nuclear quadruple resonance; reduced nicotinamide adenine dinucleotide [NADH] quinine reductase
NR do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; no radiation; no reaction; no recurrence; no refill; no report; no respiration; no response; no result; nonmatch response; nonreactive; nonrebreathing; nonresponder; nonretarded; normal range; normal reaction; normotensive rat; not readable; not recorded; not reported; not resolved; nurse; nursing [service]; nutrition ratio; Reynold's number
N/R not remarkable
N_R Reynold's number
NR50 neutral red 50%
nr near
NRA nitrate reductase; nucleus retroambigualis
NRASMC neonatal rat aortic smooth muscle cell
NRB nonrejoining break; nursing reference base
NRBC National Rare Blood Club; normal red blood cell; nucleated red blood cell
NRbc nucleated red blood cell
NRC National Red Cross; National Research Council [Canada]; National Response Center; normal retinal correspondence; not routine care; Nuclear Regulatory Commission
NRCAM National Resource for Cell Analysis and Modeling
NrCAM neuron glial cell-related cell adhesion molecule
NRCC National Registry in Clinical Chemistry; National Research Council of Canada
NRCL nonrenal clearance
NRDL Naval Radiological Defense Laboratory
NREH normal renin essential hypertension
NREM nonrapid eye movement [sleep]
NREMT National Registry of Emergency Medical Technicians
NREMT-P nationally registered emergency medical technician-paramedic
NREN National Aeronautics and Space Administration [NASA] Research and Education Network
NRF Neurosciences Research Foundation; normal renal function
NRFC nonrosette-forming cell
NRFD not ready for data
NRG nursing resources grouping
NRGC nucleus reticularis gigantocellularis
NRH nodular regenerative hyperplasia
NRHA National Rural Health Association
NRHS National Runners' Health Study
NRI nerve root involvement; nerve root irritation; nonrespiratory infection
NRICR National Registry of Inhospital Cardiopulmonary Resuscitation
NRIV Ngari virus
NRK normal rat kidney
NRL nucleus reticularis lateralis
NRM National Registry of Microbiologists; normal range of motion; nucleus reticularis magnocellularis
NRMI National Registry of Myocardial Infarction
NRMP National Resident Matching Program
NRMSE normalized root mean square error
nRNA nuclear ribonucleic acid
nRNP nuclear ribonucleoprotein
NROM normal range of motion
NRP nucleus reticularis parvocellularis
NRPB National Radiological Protection Board
NRPC nucleus reticularis pontis caudalis
NRPG nucleus reticularis paragigantocellularis
NRR net reproduction rate
NRRC National Rotavirus Reference Centre [Australia]
NRRL Northern Regional Research Laboratory
NRS Neurobehavioral Rating Scale; normal rabbit serum; normal reference serum; Norman-Roberts syndrome; numerical rating scale
NRSA National Research Service Award [NIH]
NRSCC National Reference System in Clinical Chemistry
NRSCL National Reference System for the Clinical Laboratory
NRSFPS National Reporting System for Family Planning Services
NRT near-real time; networking research team; nicotine replacement therapy; nucleus reticularis thalami
NRTI nucleoside reverse transcriptase inhibitor
NRU neutral red uptake; nursing research unit
NRV nucleus reticularis ventralis
NRVR normalized renal vascular resistance
NS natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; Netherton syndrome; neurological surgery, neurosurgery; neurosecretion, neurosecretory; neurosyphilis; neurotic score; nodular sclerosis; noise to signal [ratio]; nonsmoker; nonspecific; nonstimulation; nonstructural; nonsymptomatic; Noonan syndrome; normal saline [solution]; normal serum; normal sodium [diet]; Norwegian scabies; no sample; no sequelae; no shear; nosocomial sinusitis; no specimen; not seen; not significant; not specified; not sufficient; not symptomatic; nuclear sclerosis; nursing services; Nursing Sister