List of medical abbreviations: M

Last updated

Sortable table
AbbreviationMeaning
Mmurmur (heart murmur or heart attack that can cause death)
MACE Major adverse cardiovascular events
MAC Mycobacterium avium complex
MAEmoves all extremities
MAHA microangiopathic hemolytic anemia
MAL midaxillary line
MALT mucosa-associated lymphoid tissue
MANOS minilaparoscopy assisted natural orifice surgery
MAOI monoamine oxidase inhibitor
macrophage
MAP mean arterial pressure
MAR Medication Administration Record
MARSA methicillin- and aminoglycoside-resistant Staphylococcus aureus
MAS Morgagni–Adams–Stokes syndrome
meconium aspiration syndrome
MAST Michigan alcohol screening test
MAT multifocal atrial tachycardia
microscopic agglutination test

medication-assisted treatment

MBSSmodified barium swallow study
MC metacarpal bone
MCAmucinous cystadenoma

Middle cerebral artery

MCAT Medical College Admission Test
MCC MotorCycle Collision, Motor Cycle Crash
MCD minimal change diseaseharmful can cause cancer
MCDK multicystic dysplastic kidney
MCP metacarpophalangeal joint
MCHC mean corpuscular hemoglobin concentration
MCH mean cell hemoglobin;
mean corpuscular hemoglobin
MC&S microscopy, culture, and sensitivity (the investigation steps in processing microbiology samples)
MCTDmixed connective tissue disease
MCV mean corpuscular volume
MDCTmultidetector row computerized tomography
MDD major depressive disorder
MDE major depressive episode
MDImetered dose inhaler
MDipMaster Diploma (specialization)
MDS myelodysplastic syndrome
MEUK: Myalgic Encephalopathy ( = Chronic Fatigue Syndrome or "CFS")
M/E microscopic examination
MEC Moderate emetic chemotherapy
MEDLINE Medical Literature Analysis and Retrieval System Online (U.S. National Library of Medicine)
MELD Model for End-Stage Liver Disease
MEN multiple endocrine neoplasia
MeSH Medical Subject Headings (U.S. National Library of Medicine)
MET metabolic equivalent
met metastasis (pronounced like the word met; plural mets)
MFMmaternal and fetal medicine
Mg magnesium
MG myasthenia gravis
MGN membranous glomerulonephritis
MGPE milligrams of phenytoin equivalents
MgSO4 magnesium sulfate (Do not use this abbreviation. Write out the name. Per the do-not-use list.)
MGUS monoclonal gammopathy of undetermined significance (unknown or uncertain may be substituted for undetermined)
MHA-TPmicrohemagglutination assay for T. pallidum
MHMRmental health and mental retardation
MHWMental Health Worker
MI myocardial infarction
MIC minimum inhibitory concentration
MICAmental illness and chemical abuse;
mentally ill chemical abuser
MICUmobile intensive care unit / medical intensive care unit
MIFMüllerian inhibitory factor
MIP Maximum intensity projection, a technique used to enhance CT, MRI, MRA, and PET images
MIS Minimally Invasive Surgery
Müllerian Inhibiting Substance
MLCmixed lymphocyte culture
MLEmidline episiotomy
MM myeloid metaplasia
middle meningeal
multiple myeloma
M&Mmorbidity and mortality
MMFRmidmaximal flow rate
MMI maximum medical improvement
MMKMarshall–Marchetti–Kranz procedure
MMM moist mucus membranes
Myelofibrosis with Myeloid Metaplasia
MMPmedical marijuana patient
Medical Monitoring Project (of the US CDC)
MMPI Minnesota Multiphasic Personality Inventory
MMRmeasles, mumps, and rubella combined vaccination
mismatch repair
MMR-Dmismatch repair deficiency syndrome
MMSE mini-mental state examination
MMTmalignant mesenchymal tumor
Mixed Mullerian Tumor
MN membranous nephropathy
MND motor neurone disease, also known as amyotrophic lateral sclerosis (ALS), Lou Gehrig's disease or Charcot disease
MOBmother of baby
mod moderate;
modified
MODY maturity onset diabetes of the young
Mo monocytes
MoMmultiples of the median
MOM milk of magnesia
Mono-Dimonochorionic-diamniotic twins
Mono-Monomonochorionic-monoamniotic twins
MOPP mechlorethamine, vincristine, procarbazine, and prednisone in combination (older treatment for Hodgkin's lymphoma)
MPAmedroxyprogesterone acetate
MPDMain pancreatic duct
MPD(s) myeloproliferative disease(s)
MPGN membranoproliferative glomerulonephritis
MPOmyeloperoxidase
MPTmulti-professional team
MPV mean platelet volume
MRmedical representative
mental retardation
mitral regurgitation
modified release (compare time release technology (medicine))

menstrual regulation (unsafe abortion)

MRA magnetic resonance angiography
MRCP magnetic resonance cholangiopancreatography
MRGmurmurs, rubs, and gallops (see heart sounds)
MRI magnetic resonance imaging
MRSA methicillin-resistant Staphylococcus aureus
MS medical student (MS-1, MS-2, MS-3, MS-4)
mental status (see mental status examination)
mitral stenosis
multiple sclerosis
MS-AFPmaternal serum alpha-fetoprotein
MSD musculoskeletal disorder
MSDUmedical surgical day unit
MSE mental status examination
MSH melanocyte-stimulating hormone
MSK medullary sponge kidney
musculoskeletal
MSMmen who have sex with men
MSMW men who have sex with men and women
MSO4 morphine sulfate (Do not use this abbreviation. Write out the name. Per the do-not-use list.)
MSOF multisystem organ failure
MSSAmethicillin-sensitive Staphylococcus aureus (contrast with MRSA)
MSUmidstream urine sample (used in testing for presence of urinary tract infections)
monosodium urate
MSUD maple syrup urine disease
MT metatarsal bone
MTBImild traumatic brain injury
MtF Male to Female transgender person (trans woman)
MTP metatarsalphalangeal
MTX methotrexate
MUGAMultiple gated acquisition scan
MUSE medicated urethral system for erections
MVA motor vehicle accident
MVC motor vehicle crash
MVI Multivitamin
MVo2mixed venous oxygen concentration
MVP mitral valve prolapse
MVPS mitral valve prolapse syndrome
MVR mitral valve replacement