Abbreviation |
Interpretation |
| MLF | median longitudinal fasciculus |
| MLN | manifest latent nystagmus |
| mediastinal lymph node | |
| mesenteric lymph node | |
| Medicare Learning Network | |
| MLO | medial-lateral oblique |
| mycoplasma-like organism | |
| MLP | medical language processing |
| midluteal phase | |
| maximum lifespan potential | |
| MLR | middle latency response |
| mixed lymphocyte reaction | |
| multivariate linear regression | |
| Medical Loss Ratio | |
| MLS | maximum length sequence |
| maximum likelihood score | |
| Maternal Lifestyle Study | |
| Master of Library Science | |
| MLT | melatonin |
| medical laboratory technician | |
| mean latency time | |
| magnetic laser therapy | |
| MLU | mean length of utterance |
| MLV | Modified live virus |
| mouse leukemia virus | |
| monitored live voice | |
| MM | Multiple Myeloma |
| meningococcal meningitis | |
| macromolecule | |
| mucous membrane | |
| malignant melanoma | |
| major medical | |
| millimeter | |
| millimole | |
| muscle movement | |
| molecular mass | |
| M & M | morbidity and mortality |
| MMA | Medicare Modernization Act |
| medical management analysis | |
| multiple module access | |
| middle meningeal artery | |
| MMC | Medicaid managed care |
| mucosal mast cell | |
| Macrophage-mediated cytotoxicity | |
| Mitomycin C | |
| MMD | malignant metastatic disease |
| myotonic muscular dystrophy | |
| membrane depolarization | |
| minor myocardial damage | |
| moyamoya disease | |
| MME | mobile medical equipment |
| malignant mesothelioma | |
| macrophage metalloelastase | |
| MMF | maxillomandibular fixation |
| mycophenolate mofetil | |
| mean maximum flow | |
| macrophagic myofasciitis | |
| MMG | mammography |
| magnetomyographic | |
| Malignant monoclonal gammopathy | |
| mean maternal glucose | |
| mm Hg | millimeters of mercury |
| MMI | maximal medical improvement |
| minor myocardial injury | |
| macrophage migration inhibition | |
| MMK | Marshall-Marchetti-Krantz |
| MML | medical markup language |
| maximum marginal likelihood | |
| minimal masking level | |
| MMM | metastatic malignant melanoma |
| Methadone medical maintenance | |
| myelofibrosis with meloid metaplasia | |
| MMN | mismatch negativity |
| mamillary nucleus | |
| multifocal motor neuropathy | |
| mmol | millimole |
| MMP | multiple medical problems |
| maximum maintained pressure | |
| Mean melting point | |
| mitochondrial myopathy | |
| methadone maintenance program | |
| MMR | measles, mumps, and rubella |
| maternal mortality rate | |
| maximum metabolic rate | |
| midline malignant reticulosis | |
| mild mental retardation | |
| MMS | Medication Management Standards |
| Mini-Mental State (exam) | |
| mesodermal sarcoma | |
| MMT | maintenance treatment |
| Mini Mental Test | |
| malignant mesenchymal tumors | |
| methadone maintenance therapy | |
| manual muscle test | |
| MMV |
mandatory minute volume / ventilation |
| MN | Master's Degree in Nursing |
| motor neuron | |
| malnourished | |
| midnight | |
| Medically Needy | |
| M & N | morning and night |
| MNC | medial neurosecretory cells |
| micronucleus | |
| monocytes | |
| MND | minor neurological dysfunction |
| motor neuron disease | |
| mechanical neck disorders | |
| MNF | myelinated nerve fibers |
| mean frequency | |
| MNG | multinodular goiter |
| MNR | marrow neutrophil reserve |
| magnetic nuclear resonance | |
| multiple nucleoside resistance | |
| MNS | mean nocturnal saturation |
| magnocellular neurosecretory system | |
| Median nerve stimulation | |
| MNX | minoxidil |
| MNZ | metronidazole |
| MO | medial oblique |
| monocyte | |
| medulla oblongata | |
| months old | |
| morbidly obese | |
| manually operated | |
| M/O | morning of |
| MOA | mechanism of action |
| MOAB | monoclonal antibody |
| MOB | mobility |
| methane-oxidizing bacteria | |
| mother of baby | |
| MOC | mother of child |
| maximal oxygen consumption | |
| myocardial oxygen consumption | |
| MOD | Medical Officer of the Day |
| mode of death | |
| moderate | |
| moderate dysplasia | |
| maturity-onset diabetes | |
| MOE | movement of extremities |
| Malignant otitis externa | |
| margins of exposure | |
| MOF | multiple-organ failure |
| mesial occlusal facial | |
| median osmotic fragility | |
| MOG | myelin oligodendrocyte glycoprotein |
| MOH | medication overuse headache |
| MOI | mechanism of injury |
| maximum oxygen intake | |
| MOICU | mobile intensive care unit |
| MOL | method of limits |
| Molecular | |
| MOM | milk of magnesia |
| mucoid otitis media | |
| MON | month |
| maximum observation nursery | |
| monocytes | |
| MONO |
monocyte mononucleosis |
| MOP | mu opioid peptide |
| major organ profile | |
| medical outpatient | |
| MOS | Medical Outcomes Study |
| months | |
| Margins of Safety | |
| MOT | medial olfactory tract |
| motility examination | |
| Master of Occupational Therapy | |
| MOU | medical oncology unit |
| Memoranda of Understanding | |
| MOV | minimum occlusive volume |
| mechanical overload | |
| MOW | Meals on Wheels |
| MP | malignant pyoderma |
| Mammalian Phenotype | |
| mean pressure | |
| membrane potential | |
| menstrual period | |
| metacarpal phalangeal | |
| myocardial perfusion | |
| motor potential | |
| MPA | main pulmonary artery |
| Master of Public Administration | |
| Medical Prescibing Adviser | |
| MPAC | Memorial Pain Assessment Card |
| Medical Policy Advisory Council | |
| MPAP | mean pulmonary artery pressure |
| mean PAP | |
| MPB | male-pattern baldness |
| MPC | meperidine, promethazine, and chlorpromazine |
| mean plasma concentration | |
| mean platelet count | |
| MPD | maximum permissable dose |
| main pancreatic duct | |
| multiple personality disorder | |
| myeloproliferative disorder | |
| methylphenidate | |
| malignant pancreatic disease | |
| minimal phototoxic dose | |
| MPE | malignant pleural effusion |
| massive pulmonary embolism | |
| maximum possible effect | |
| mean prediction error | |
| maximum possible error | |
| MPF | methylparaben free |
| MPH | massive pulmonary hemorrhage |
| Master of Public Health | |
| macrophages | |
| MPHD | multiple pituitary hormone deficiencies |
| MPI | Master Patient Index |
| manufacturer's package insert | |
| myocardial perfusion imaging | |
| Medicare Provider Inventory | |
| Multidimensional Pain Inventory | |
| MPJ | metacarpophalangeal joint |
| MPL | maximum permissable level |
| mean platelet life | |
| mass-per-length | |
| MPM | Minor Psychiatric Morbidity |
| mortality prediction model | |
| malignant peritoneal mesothelioma | |
| MPN | monthly progress note |
| most probably number | |
| Mycoplasma pneumoniae | |
| MPO | male-pattern obesity |
| maximum power output | |
| medial preoptic area | |
| MPP | medical personnel pool |
| Male-limited precocious puberty | |
| massive peritoneal proliferation | |
| massive periretinal proliferation | |
| MPQ | McGill Pain Questionnaire |
| MPR | myocardial perfusion reserve |
| membrane binding protein | |
| massive periretinal retraction | |
| marrow production rate | |
| Monthly Prescribing Reference | |
| MPS | meconium plug syndrome |
| Myofascial pain syndrome | |
| Maternal Perinatal Scale | |
| mean particle size | |
| MPSS | myeloproliferative syndromes |
| methylprednisolone sodium succinate | |
| MPT | Master of Physical Therapy |
| mechanical pain threshold | |
| MPV | mean platelet volume |
| main portal vein | |
| maximum peak velocity | |
| MPZ | midperipheral zone |
| myelin protein zero | |
| MQ | Memory Quotient |
| mefloquine | |
| MQOL | McGill Quality of Life Questionnaire |
| MR | mitral regurgitation |
| magnetic resonance | |
| metabolic rate | |
| may repeat | |
| mortality rate | |
| Mortality Ratio | |
| medical record | |
| muscarinic receptor | |
| Maddox Rod | |
| mental retardation | |
| MRA | magnetic resonance angiography |
| main renal artery | |
| malignant rheumatoid arthritis | |
| medical research associate | |
| MRCA | magnetic resonance coronary angiography |
| most recent common ancestor | |
| MRD | margin reflex distance |
| maximum rate of depolarization | |
| minimal reacting dose | |
| matched related donor | |
| minimal residual disease | |
| MRE | magnetic resonance elastography |
| most recent episode | |
| maximal respiratory effectiveness | |
| minimum relative entropy | |
| MRFC | mouse rosette-forming cells |
| MRG | microradiography |
| mortality reference group | |
| murmurs, rubs, and gallops | |
| MRH | modified radical hysterectomy |
| MRI | magnetic resonance imaging |
| MRL | minimal response level |
| maximum residue levels | |
| minimal risk level | |
| Medical Records Librarian | |
| MRM | modified radical mastectomy |
| Magnetic resonance mammography | |
| MRN | magnetic resonance neurography |
| medical record number | |
| median raphe nucleus | |
| macroregenerative nodule | |
| malignant renal neoplasm | |
| MRO | multidrug resistant organism |
| Medical Review Officer | |
| MRP | Maximal resting pressure |
| Magnetic Resonance pancreatography | |
| Major Reference Point | |
| mean resting pressure | |
| MRPS | medication-related problems |
| movement-related potentials | |
| multidrug resistance proteins | |
| MRR | mortality rate ratio |
| maximal relaxation rate | |
| medical record review | |
| maximum rate of rise | |
| MRS | magnetic resonance spectroscopy |
| Mania Rating Scale | |
| Menopause Rating Scale | |
| MRT | magnetic resonance tomography |
| malignant rhabdoid tumor | |
| mean response time | |
| MRU | Magnetic resonance urography |
| Mycobacterium Reference Unit | |
| medical resource utilization | |
| MRV | magnetic resonance venography |
| Mean reticulocyte volume | |
| minute respiratory volume | |
| MRX | Magnetic resonance axonography |
| MS | Master of Science |
| multiple sclerosis | |
| Marfan syndrome | |
| mass spectroscopy | |
| medical student | |
| mental status | |
| milliseconds | |
| mitral sounds | |
| mental status | |
| median survival | |
| motion sickness | |
| mitral stenosis | |
| MSA | membrane-stabilizing activity |
| major surface antigen | |
| multiple system atrophy | |
| Medical Savings Account | |
| MSB | main stem bronchus |
| mid-small bowel | |
| MSC | major symptom complex |
| marrow stem cells | |
| major septic complications | |
| marrow stromal cell | |
| Medicaid Service Coordinator | |
| MSD | male sexual dysfunction |
| mean square displacement | |
| Merck Sharp and Dohme | |
| musculoskeletal disorder | |
| matched sibling donor | |
| MSE | Mental Status Examination |
| MSF | meconium-stained fluid |
| macrophage slowing factor | |
| migration stimulating factor | |
| MSG | monosodium glutamate |
| major surface glycoprotein | |
| MSH | melanocyte-stimulating hormone |
| maxillary sinus hypoplasia | |
| MSI | magnetic source imaging |
| massive splenic injury | |
| muscle strength index | |
| musculoskeletal impairment | |
| MSK | medullary sponge kidney |
| musculoskeletal | |
| MSL | midsternal line |
| Medical Science Liason | |
| Multiple Symmetric Lipomatosis | |
| MSM | magnetic starch microspheres |
| mineral salts medium | |
| metabolism | |
| MSO | mentally stable and oriented |
| management services organization | |
| MSP | major surface protein |
| Mean systemic pressure | |
| male-specific protein | |
| macrophage stimulating protein | |
| MSQ | Mental Status Questionnaire |
| MSR | Medical Software Reviews |
| magnetically shielded room | |
| macrophage scavenger receptor | |
| MSS | Maternity Support Services |
| maternal serum screen | |
| Medical Social Services | |
| mental status schedule | |
| Master of Social Science | |
| MST | mean survival time |
| mental stress test | |
| Maximal Stimulation Test | |
| medial superior temporal | |
| MSU | midstream urine |
| MSW | multiple stab wounds |
| Masters in Social Work | |
| male sex worker | |
| MT | Medical Technologist |
| malignant teratoma | |
| maintenance therapy | |
| metatarsal | |
| Massage Therapist | |
| Mycobacterium tuberculosis | |
| muscles and tendons | |
| medical therapy | |
| MTA | metatarsal adduction |
| maternally transmitted antigen | |
| Multimodal Treatment Study | |
| Medical Technical Assistant | |
| MTB | Mycobacterium tuberculosis |
| methylene blue | |
| MTC | medical training center |
| Maximum tolerated plasma concentration | |
| magnetization transfer contrast | |
| medullary thyroid cancer | |
| MTD | maximum tolerated dose |
| mean total dose | |
| mean time to death | |
| methadone | |
| MTE | multiple tissue expression |
| multiple trace elements | |
| MTF | male-to-female |
| Mitochondrial ferritin | |
| maximum terminal flow | |
| medical treatment facility | |
| MTG | middle temporal gyrus |
| multinodular toxic goiter | |
| MTI | magnetization transfer imaging |
| malignant teratoma, intermediate | |
| minimum time interval | |
| maximum tolerable intensity | |
| MTJ | midtarsal joint |
| MTL | medial temporal lobe |
| motor terminal latency | |
| MTM | medication therapy management |
| myotubular myopathy | |
| MTP | median time to progression |
| metatarsalphalangeal | |
| maximum tolerated pressure | |
| Medical Transport Program | |
| MTR | magnetization transfer ratio |
| metatarsus | |
| masses, tenderness, rebound | |
| MTS | mesial temporal sclerosis |
| mammary tumors | |
| mean total score | |
| mental test score | |
| MTT | meal tolerance test |
| mean transit time | |
| maximal treadmill test | |
| MTU | malignant teratoma undifferentiated |
| MTX | methotrexate |
| MTZ | metronidazole |
| MU | million units |
| motor unit | |
| mega units | |
| multiunit | |
| MUA | Medically Underserved Area |
| manipulation under anesthesia | |
| middle uterine artery | |
| MUD | matched-unrelated donor |
| minimal urticarial dose | |
| MUE | medication use evaluation |
| MUFA | monounsaturated fatty acid(s) |
| MUI | mixed urinary incontinence |
| MULV | murine leukemia virus |
| MUO | metastasis of unknown origin |
| myocardiopathy of unknown origin | |
| MUPS | melanoma of unknown primary site |
| Medically Underserved Populations | |
| Motor unit potentials | |
| MUU | mouse uterine units |
| MV | mechanical ventilation |
| mitral valve | |
| motor vehicle | |
| millivolts | |
| minute volume | |
| measles vaccine | |
| MVA | motor vehicle accident |
| mechanical ventricular assistance | |
| malignant vertricular arrhythmias | |
| manual vacuum aspiration | |
| mitral valve area | |
| microvascular angina | |
| MVB | mixed venous blood |
| MVC | motor vehicle crash |
| Maximal voluntary contractions | |
| maximal voluntary contraction | |
| MVD | microvascular decompression |
| mitral valve disease | |
| mean vascular density | |
| multivessel disease | |
| MVE | mitral valve excursion |
| mitral valve echo | |
| MVI | mitral valve insufficiency |
| multivitamin injection | |
| major vascular injuries | |
| MVO | mixed venous oxygen - saturation |
| Maximal Venous Outflow | |
| mitral valve opening | |
| MVP | Mitral Valve Prolapse |
| mean venous pressure | |
| MVR | mitral valve replacement |
| myocardial vascular resistance | |
| mitral valve regurgitation | |
| minimal vascular resistance | |
| MVS | mitral valve stenosis |
| mitral valve surgery | |
| MVT | monomorphic ventricular tachycardia |
| mesenteric venous thrombosis | |
| MVV | maximum ventilatory volume |
| minute ventilation volume | |
| MWA | migraine with aura |
| MWB | minimal weight bearing |
| modfied whole blood | |
| MWC | maximum work capacity |
| major wound complications | |
| MWD | maximum walking distance |
| molecular weight distribution | |
| MWI | microwave irradiation |
| medical walk-in | |
| MWT | mean walk time |
| maintenance of wakefulness test | |
| mean wall thickness | |
| MX | mixed |
| mastectomy | |
| Monitor | |
| matrix | |
| multiplex | |
| MY | myopia |
| milk yield | |
| MYD | myotonic dystrophy |
| myeloid differentiation factor | |
| mydriatic | |
| MYG | myasthenia gravis |
| MYOP | myopia |
| MYR | myristoylated |
| MYS | medium yellow soft |
| myospheroid | |
| MZ | monozygotic |
| marginal zone | |
