Dictionary of Medical Acronyms & Abbreviations

[ N ]

• NINCDS/ADRDA  National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association
• NINDB  National Institute of Neurological Diseases and Blindness
• NINDS  National Institute of Neurological Disorders and Stroke
• NINDS-TPAST  National Institute of Neurological Disorders and Stroke-Tissue Plasminogen Activator Stroke Trial
• NIOSH  National Institute for Occupational Safety and Health
• NIOSHTIC  National Institute for Occupational Safety and Health Technical Information Center
• NIP  National Immunization Program; negative inspiratory pressure; nipple; no infection present; no inflammation present; nonimmigrant patient
• NIP AAm  N-isopropylacrylamide
• NIPALS  nonlinear iterative partial least square
• NIPH  National Institute of Public Health
• NIPPV  noninvasive positive pressure ventilation
• NIPS  neuroleptic-induced Parkinson syndrome; noninvasive programmed [heart] stimulation
• NIPTS  noise-induced permanent threshold shift
• NIR  near infrared; New Intravascular Rigid Stent Trial
• nIR  non-insulin-resistance
• NIRA  nitrite reductase; Nursing Incentives Reimbursement Award
• NIRB  non-institutional review board
• NIRCA  nonisotopic ribonuclease cleavage assay
• NIRD  nonimmune renal disease
• NIRMP  National Intern and Resident Matching Program
• NIRNS  National Institute for Research in Nuclear Science
• NIRS  near-infrared spectroscopy; normal inactivated rabbit serum
• NIRVANA  NIR Primo Stent Vascular Advanced North America [trial]
• NIS  nationwide inpatient sample; National Immunization Survey; near-infrared intracranial spectroscopy; network information system; N-iodosuccinimide; no inflammatory signs; nursing information system
• NI-SIG  nursing informatics special interest group
• NISO  National Information Standards Organization
• NISSO  Netherlands Institute for Social Sexological Research
• NIST  National Institute of Standards and Technology [Department of Commerce]
• NIT  National Intelligence Test; Nutrition Intervention Trial
• NITA  National Telecommunications and Information Administration
• NITD  noninsulin-treated disease
• nit  nitrous
• nitro  nitroglycerin
• NIV  nodule-inducing virus; noninvasive ventilation
• NIW  nursing intensity weights
• NIWG  Nursing Informatics Workshop Group
• NJ  nasojejunal; neighbor joining
• nJ  nanojoule
• NJLV  Naranjal virus
• NJPC  National Joint Practice Commission
• NK  Commission on [Anatomical] Nomenclature [Ger. Nomenklatur Kommission]; natural killer [cell]; neurokinin; not known
• n/k  not known
• NK2  neurokinin 2
• NKA  neurokinin A; no known allergies
• nkat  nanokatal
• NKB  neurokinin B
• NKC  nonketotic coma
• NKCA  natural killer cell activity
• NKCF  natural killer cytotoxic factor
• NKDA  no known drug allergies
• NKE  sodium [Na⁺]/potassium [K⁺] exchange
• NKFA  no known food allergies
• NKH  nonketogenic hyperglycemia; nonketotic hyperosmotic
• NKHA  nonketotic hyperosmolar acidosis
• NKHS  nonketotic hyperosmolar syndrome; normal Krebs-Henseleit solution
• NKN  neurokinin
• NKNA  neurokinin A
• NKNAR  neurokinin A receptor
• NKNB  neurokinin B
• NKOV  Nkolbisson virus
• NKP  North Karelia Project
• NKSF  natural killer cell stimulatory factor
• NKTR  natural killer triggering receptor
• NL  natural language; neural lobe; neutral lipid; no direct link [UMLS]; nodular lymphoma; normal; normal libido; normal limits
• nL  nanoliter
• nl  normal [value]
• NLA  National Leukemia Association; neuroleptoanesthesia; normal lactase activity
• nLAG  nuclear localized β-galactosidase
• NLANR  National Laboratory for Applied Network Research
• NLB  needle liver biopsy
• NLD  nasolacrimal duct; necrobiosis lipoidica diabeticorum
• NLDL  normal low-density lipoprotein
• NLE  neonatal lupus erythematosus
• Nle  norleucine
• NLEA  Nutrition Labeling and Education Act
• NLF  nasolabial fold; neonatal lung fibroblast; nonlactose fermentation
• NLG  natural language generation
• NLH  nodular lymphoid hyperplasia
• NLK  neuroleukin
• NLL  nonlymphoblastic leukemia
• NLLS  nonlinear least squares
• NLM  National Library of Medicine; noise level monitor
• NLMC  nocturnal leg muscle cramp
• NLMS  National Longitudinal Mortality Study
• nLMS  normalized least mean square
• NLN  National League of Nursing; no longer needed
• NLNE  National League for Nursing Education
• NLP  natural language processing; neurolinguistic programming; no light perception; nodular liquefying panniculitis; normal light perception; normal luteal phase
• NLS  Names Learning Test; National Longitudinal Surveys [database]; neonatal lupus syndrome; Neu-Laxova syndrome; nonlinear least squares; normal lymphocyte supernatant; nuclear localization signal
• NLSC  National Longitudinal Survey of Children [Canada]
• NLSCY  National Longitudinal Survey of Children and Youth [Canada]
• NLSQ  nonlinear least square
• NLT  normal lymphocyte transfer; not later than; not less than; novel liver-specific transporter protein; nucleus lateralis tuberis
• nlt  not later than; not less than
• NLTCS  National Long Term Care Survey
• NL2SOL  nonlinear least square algorithm
• NLUS  natural language understanding system
• NLX  naloxone; nephrolithiasis, X-linked
• NM  near-miss; neomycin; neuromedical; neuromedin; neuromuscular; neuronal microdysgenesis; neuronal mode; neutrophil migration; nictitating membrane; nitrogen mustard; nocturnal myoclonus; nodular melanoma; nodules with microcalcifications; nonmotile; normetanephrine; not malignant; not measurable, not measured; not mentioned; not motile; nuclear medicine; [technologist in] nuclear medicine; nurse manager; nurse/midwife
• N-m  newton-meter
• N&M  nerves and muscles; night and morning
• N/m  newtons per meter
• N × m  newton meters
• N/m²  newtons per square meter
• nM  nanomolar
• nm  nanometer; night and morning [Lat. nocte et mane]
• NMA  National Malaria Association; National Medical Association; neurogenic muscular atrophy; N-nitroso-N-methylalanine
• nMA  nondominant motor area
• NMAC  National Medical Audiovisual Center
• NM(ASCP)  Technologist in Nuclear Medicine certified by the American Society of Clinical Pathologists
• NMB  neuromedin B; neuromuscular blockade; neuromuscular blocking; neuromuscular blocker/blocking [drug, agent]
• NMBA  neuromuscular blocking agent
• NMBR  neuromedin B receptor
• NMC  National Medical Care; Naval Medical Center; neuromuscular control; nonmotor condition; nucleus reticularis magnocellularis
• NMCC  nasal mucociliary clearance
• NMCES  National Medical Care Expenditure Survey
• NMCUES  National Medical Care Utilization and Expenditure Survey
• NMD  neuromyodysplasia; neuronal migration disorder
• NMDA  N-methyl-D-aspartate
• NMDAR  N-methyl-D-aspartate receptor
• NmDG  N-methyl-D-glutamine
• NMDS  Nursing Minimum Data Set
• NMDSN  Nursing Minimum Data Set for the Netherlands
• NME  National Medical Enterprises; neuromyeloencephalopathy
• NMEP  neurogenic motor evoked potential
• NMES  National Medical Expenditure Survey [database]; neuromuscular electrical stimulation
• NMF  N-methylformamide; National Medical Fellowship; National Migraine Foundation; nonmigrating fraction
• NMFF  Northwestern Medical Faculty Foundation
• NMFI  National Master Facility Inventory
• NMHCA  National Mental Health Consumers' Association
• NMI  no mental illness; normal male infant
• NMIHS  National Maternal and Infant Health Survey
• NMIS  nursing management information system
• NMJ  neuromuscular junction
• NML  nodular mixed lymphoma
• NMM  nodular malignant melanoma
• NMMDS  nursing management minimum data set
• NMN  nicotinamide mononucleotide; normetanephrine
• NMNRU  National Medical Neuropsychiatric Research Unit
• nmol  nanomole
• nmol/L  nanomoles per liter
• NMOR  nemadione oxidoreductase; N-nitrosomorpholine
• NMOS  N-type metal oxide semiconductor
• NMP  normal menstrual period; nuclear matrix protein; nucleoside monophosphate
• NMPC  nonlinear model predictive control
• NMPCA  nonmetric principal component analysis
• NMPTP  N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
• NMR  national medical resources; neonatal mortality rate; nictitating membrane response; nuclear magnetic resonance
• NMRC  NeuroMuscular Research Center
• NMRD  nuclear magnetic relaxation dispersion
• NMRDC  Naval Medical Research and Development Command
• NMRI  Naval Medical Research Institute; nuclear magnetic resonance imaging
• NMRL  Naval Medical Research Laboratory
• NMRS  nuclear magnetic resonance spectroscopy
• NMRU  Naval Medical Research Unit
• NMS  Naval Medical School; neuroleptic malignant syndrome; neuromuscular spindle; N-methylscopolamine; normal mouse serum; Norwegian Multicenter Study
• N · m/s  newton meters per second
• NMSC  nonmelanoma skin cancer
• NMSE  normalized mean square error
• NMSIDS  near-miss sudden infant death syndrome
• NMSS  National Multiple Sclerosis Society; National Mycobacterial Surveillance System [Australia and New Zealand]
• NMT  neuromuscular tension; neuromuscular transmission; N-methyltransferase; N-myristoyltransferase; no more than; nuclear medicine technology or technologist
• NMTCB  Nuclear Medicine Technology Certification Board
• NMTD  nonmetastatic trophoblastic disease
• NMTS  neuromuscular tension state; nuclear matrix-targeting signal
• NMU  neuromuscular unit; nitrosomethylurea
• NMV  New Minto virus
• NN  nearest neighbor; neonatal; neural network or net; neuronavigation; nevocellular nevus; normal nutrition; normally not notifiable; nourished; nuclear/nuclear [ratio]; nurse's notes
• N/N  normocytic/normochromic [anemia]
• nN  nanonewton
• nn  nerves; new name [Lat. nomen novum]
• NN-A  nearest neighbor algorithm
• NNAS  neonatal narcotic abstinence syndrome
• NNC  National Nutrition Consortium
• NND  neonatal death; New and Nonofficial Drugs; nonspecific nonerosive duodenitis
• NNDC  National Naval Dental Center
• NNDSS  National Notifiable Diseases Surveillance Scheme [Australia and New Zealand]
• NNE  neonatal necrotizing enterocolitis; nonneuronal enolase; normalized noise energy
• NNEB  National Nursery Examination Board
• NNG  nonspecific nonerosive gastritis
• NNH  number needed to harm
• NNHS  National Nursing Home Survey
• NNI  noise and number index
• NNIS  National Nosocomial Infection Surveillance
• NNIWG  National Nursing Informatics Work Group
• NNJ  neonatal jaundice
• NNK  neural network Kubicek [equation]
• NNLIT  North Norwegian Lidocaine Intervention Trial
• NN/LM  National Network of Libraries of Medicine
• NNM  neonatal mortality
• NNMC  National Naval Medical Center
• NNMT  nicotinamide N-methyltransferase; Norwegian Nifedipine Multicenter Trial
• NNN  Novy-MacNeal-Nicolle [medium]
• NNNMU  N-nitroso-N-methylurethane
• NNO  no new orders
• nNOS  neuronal nitric oxide synthase
• n nov  new name [Lat. nomen novum]
• NNP  neonatal nurse practitioner; nerve net pulse
• NNQ  number needed to quit
• NNR  New and Nonofficial Remedies