"n: nano (SI prefix for 10-9)"
"n: nano (SI prefix for 10-9)"
"nota bene: take special note of "..." (L: note well)"
"NEN(s): neuroendocrine neoplasm(s)"
"NEN(s): neuroendocrine neoplasm(s)"
"A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - misc"
"N"
"N2: nitrogen gas (dinitrogen)"
"N2O: nitrous oxide"
"Nomina Anatomica"
"Na: sodium (Latin: natrium)"
"Nb: niobium"
"Nd: neodymium"
"Ne: neon"
"NeuN: neuronal nuclei (in immunochemistry)"
"Ni: nickel"
"National Institute for Health and Care Excellence (UK)"
"Norad: noradrenaline"
"Np: neptunium"
"NVvR: Nederlandse Vereniging voor Radiologie (Dutch Radiological Association)"
"Nx: nodes cannot be assessed (TNM)"
"newton (SI derived unit of force)"
"n: nano (SI prefix for 10-9)"
"N0, N1, N2, N3: nodal stages (TNM)"
"NA"
"NAA: N-acetylaspartic acid"
"NAC"
"NAD"
"NAI: non-accidental injury"
"NAFLD: non-alcoholic fatty liver disease"
"NAPH: non-aneurysmal perimesencephalic subarachnoid haemorrhage"
"NASCET: North American symptomatic carotid endarterectomy trial"
"NASH: non-alcoholic steatohepatitis"
"NC:"
"NCAP: neck chest abdomen pelvis"
"NCCN: National Comprehensive Cancer Network"
"NCL: neuronal ceroid lipofuscinosis"
"NCP: nursing care plan"
"NCR: normal control rats"
"NCS: nerve conduction studies"
"NCSE: non-convulsive status epilepticus"
"NCV: nerve conduction velocity"
"NDT: nasoduodenal tube"
"NEDA: no evidence of disease activity (usually multiple sclerosis)"
"NEC"
"NEN(s): neuroendocrine neoplasm(s)"
"NERD: non-erosive reflux disease"
"NESB: non-English speaking background"
"NET"
"NEX"
"NF: neurofilaments (in immunochemistry)"
"NFA"
"NFPA: non-functioning pituitary adenoma"
"NFR: not for resuscitation"
"NFT: neurofibrillary tangle"
"NG: new growth (old-fashioned euphemism for cancer)"
"NGC: nerve guidance conduit"
"NGS: next-generation sequencing"
"NGT: nasogastric tube"
"NH: nursing home"
"NHL: non-Hodgkin lymphoma"
"NHNA: naevoid hyperkeratosis of the nipple and the areola"
"NHR: nursing home resident"
"NHS: National Health Service (UK)"
"NHS: National Health Service (UK)"
"NICE"
"National Institute for Health and Care Excellence (UK)"
"NICM: nonischaemic cardiomyopathy"
"NICU"
"NIDDM: non-insulin-dependent diabetes mellitus"
"NIFTP: noninvasive follicular thyroid neoplasm with papillary like features"
"NIH: National Institutes of Health (US)"
"NIH: National Institutes of Health (US)"
"NIHR: National Institute for Health Research"
"NIID: neuronal intranuclear inclusion disease"
"NIM: nerve integrity monitor"
"NIPPV"
"NIPT: non-invasive prenatal testing"
"NIS: sodium-iodide symporter"
"NIST: National Institute of Standards and Technology"
"NIV: non invasive ventilation"
"NJT: nasojejunal tube"
"NKA: no known allergies"
"NKDA: no known drug allergies"
"NKF: National Kidney Foundation"
"NLD: nasolacrimal duct"
"NLM: National Library of Medicine (USA)"
"NLM: National Library of Medicine (USA)"
"NLP: natural language processing"
"NLR: negative likelihood ratio"
"NMBA: neuromuscular blocking agent"
"NMDA: N-methyl-D-aspartic acid"
"NME: non-mass enhancement"
"NMIBC: non-muscle invasive bladder cancer"
"NMO: neuromyelitis optica"
"NMR: nuclear magnetic resonance"
"NMS: not medically suitable"
"NMSC: non-melanoma skin cancer"
"NMV: net magnetisation vector"
"NNE: number-needed-to-examine"
"NNH: number needed to harm"
"NNT: number needed to treat"
"NO: nitric oxide"
"NOAC"
"NOE: naso-orbitoethmoid"
"NOF"
"NOH: neck of humerus"
"NORSE: new-onset refractory status epilepticus"
"NOS: not otherwise specified"
"NOTES: natural orifice transluminal endoscopic surgery"
"NP"
"NPC"
"NPH: normal pressure hydrocephalus"
"NPL: no perception of light"
"NPO: nil per os (Latin: nothing by mouth)"
"NPRS: numeric pain rating scale"
"NPP: non-physician providers"
"NPPV: non-invasive positive pressure ventilation"
"NPV"
"NPWT: negative pressure wound therapy"
"NRAG: National Radiotherapy Advisory Group"
"NRC: United States Nuclear Regulatory Commision"
"NRFHR: non-reassuring fetal heart rate"
"NRI: nerve root injection"
"NRS: numeric rating scale"
"NS"
"NSAID: non-steroidal anti-inflammatory drug"
"NSCLC: non-small cell lung cancer"
"NSD: nominal standard dose"
"NSE: neurone specific enolase"
"NSF: nephrogenic systemic fibrosis"
"NSIP: non-specific interstitial pneumonia"
"NSR: normal sinus rhythm"
"NSTEMI: non-ST elevation myocardial infarct"
"NSTEMI: non-ST elevation myocardial infarct"
"NSTI: necrotising soft tissue infection"
"NSVT: non-sustained ventricular tachycardia"
"NT: nuchal translucency"
"NTD: normalised total dose"
"NTG: nitroglycerin"
"NTM: non-tuberculous Mycobacterium"
"NT-proBNP: N-terminal pro-B-type natriuretic peptide"
"NUCOG: neuropsychiatry unit cognitive assessment tool"
"NVC: neurovascular conflict/compression"
"NVD"
"NWB: non-weight bearing"
"NWU: net water uptake (quantitative- from CT)"
"Nx: nodes cannot be assessed (TNM)"
"NYD: not yet determined"
"NYHA: New York Heart Association"
"NZ: New Zealand"
"NAA: N-acetylaspartic acid"
"NBCA: N-butyl-2 cyanoacrylate (embolisation glue)"
"NBF: Neville Barnes forceps"
"NCCN: National Comprehensive Cancer Network"
"NHS: National Health Service (UK)"
"NIH: National Institutes of Health (US)"
"NIHR: National Institute for Health Research"
"NIST: National Institute of Standards and Technology"
"NKF: National Kidney Foundation"
"NLM: National Library of Medicine (USA)"
"NRAG: National Radiotherapy Advisory Group"
"NRC: United States Nuclear Regulatory Commision"
"NVvR: Nederlandse Vereniging voor Radiologie (Dutch Radiological Association)"
"NYHA: New York Heart Association"
"NZ: New Zealand"
"nota bene: take special note of "..." (L: note well)"
"nota bene: take special note of "..." (L: note well)"