Browse Medical Abbreviations

M
m male; muscle; mother; molar; minim; meter; meta; medicine
M thousand; master
M&F mother and father
M. tb mycobacterium tuberculosis
M/Hx medical history
M/S musculoskeletal
M/uL million per microliter
M1 mitral first sound
M2 mitral second sound
MA mental age
mA milliampere
MABP mean arterial blood pressure
MAC monitored anesthesia care; mycobacterium avium complex
MADD mothers against drunk driving
MAE moving all extremities
MAFO molded ankle foot orthosis
Mag magnesium
MAI mycobacterium avium intracellular
MAL mid-axillary line
man. prim. first thing in the morning
mand mandatory; mandible, mandibular
MAO monoamine oxidase
MAO-B monoamine oxidase-b
MAOI monoamine oxidase inhibitor
MAP mean arterial pressure
MAR medication administration record
mast mastectomy
MAST military anti-shock trousers
MAT miller analogies test; modular antigen transporter
max maxilla, maxillary
MBD minimal brain dysfunction
mc millicurie
MCA motor cycle accident
MCAD medium-chain acyl-CoA dehydrogenase deficiency
MCC motorcycle collision
MCD multiple carboxylase deficiency
MCF middle cranial fossa
mcg microgram
MCH mean corpuscular hemoglobin
MCHB maternal child health bureau
MCHC mean corpuscular hemoglobin concentration
MCI mild cognitive impairment
mCi millicurie
MCL mid-clavicular line
MCM medical countermeasure
MCO managed care organization
MCP metacarpal phalangeal
MCV mean corpuscular volume; meningococcal vaccine
MD medical doctor; Meniere's disease; muscular dystrophy
MDA medical device alert
MDD maximum daily dose; major depressive disorder
MDE major depressive episode
MDI metered dose inhaler
MDR multi-drug resistant
MDR TB multi-drug resistant tuberculosis
MDS minimum data set
ME medical examiner; muscle energy
ME ratio myeloid/erythroid ratio
med medial (toward middle); medical; medicine, medication
MED minimum effective dose
med neb medication nebulizer
meds medicines
MEFR maximum expiratory flow rate
MEG magnetoencephalography
MELD model for end-stage liver disease
mem member; memory
MEO most efficient organization
mEq milliequivalent
mEq/L milliequivalent per liter
MET metabolic ratio equivalent
metab metabolic, metabolism
mets metastasis
MF mid forceps
MFC medial femoral condyle
MFFD medically fit for discharge
MFM maternal fetal medicine
mfr manufacturer
MG myasthenia gravis
mg milligram (one thousandth of a gram)
Mg Magnesium (element)
mg/dl milligrams per deciliter
mgA antibody (allergy testing)
MGF maternal grandfather
MGL IgM phospholipid unit
MGM maternal grandmother
MgSO4 magnesium sulfate
MH mental health
MHC major histocompatibility complex
MHE mental health evaluator
MHR maternal heart rate; maximum heart rate
MHT mental health therapist
MHU mental health unit
mHz megahertz (1 million hertz)
MI myocardial infarction; mental illness
MI-CD mentally ill and chemically dependent
MI-D mentally ill and dangerous
MIC minimum inhibitory concentration
microg microgram
microIU micro-international unit
MICU medical intensive care unit
MID multi-infarct dementia; minimum infective dose
mid middle
MIF melanocyte-inhibiting factor
Min minimum; minute
MIS misoprostol; management information system; management information service
misc miscellaneous
mist. a mixture
mIU milli-international unit
MIVA monitored intravenous anesthesia
mJ millijoule
mL milliliter (0.001 L)
ml milliliter (0.001 L)
ML midline
MLBW moderate to low birthweight
MLC midline catheter; multi lumen catheter
MLD minimum lethal dose
MLE midline episiotomy
MLF medial longitudinal fasciculus
MLPA multiplex ligation dependent probe
MLT medical laboratory technician
mm millimeter (0.001 m)
mM millimole
MM mucous membrane; multiple myeloma
mm3 cubic millimeter
MMA methylmalonic acid
MMEFR maximal mid-expiratory flow rate
MMF maxillomandibular fixation
mmHg millimeter of mercury
MMI methimazole
mMol millimole
MMR measles-mumps-rubella (vaccine)
MMSE mini mental state examination
MMT manual muscle test
Mn Manganese (element)
MNT medical nutrition therapy
Mo Molybdenum (element)
mo month
MO months old
MOA memorandum of agreement
MOAB monoclonal antibodies
mol mole
Mol mole
mol wt molecular weight
MOM milk of magnesia
mono mononucleosis
mor. dict. as directed
mor. sol. as accustomed
mOs milliosmole
mOsm milliosmole
MOU memorandum of understanding
MP midplane; menstrual period/pain
mp as directed (modo praescripto)
MP MIA microlatex particle mediated immunoassay
MPAP mean pulmonary artery pressure
MPB multipodus boot
MPC maximum permitted concentration; mucopurulent cervicitis
MPD multiple personality disorder
MPH miles per hour; Masters of Public Health
MPJ metacarpophalangeal joint
MPN most probable number
MPV mean platelet volume
MR mitral regurgitation; mental retardation; medical record
mr milliroentgen
MRA magnetic resonance angiography
MRC medical research council
MRG murmur rub gallop
MRgFUS MR-guided focused ultrasound surgery
MRI magnetic resonance imaging
mRNA messenger RNA
MRS magnetic resonance spectroscopy
MRSA methicillin-resistant staphylococcus aureus
MRSE methicillin-resistant staphylococcus epidermidis
MS mass spectrometry; mass spectroscopy; mitral stenosis; multiple sclerosis; musculoskeletal
MSAFP maternal serum alpha-fetoprotein
MSDS material safety data sheets
MSE mental status examination
MSF meconium stained fluid
MSG monosodium glutamate
MSH melanocyte-stimulating hormone
MSI magnetic source imaging
MSN Master's Degree in Nursing
MSOF multi system organ failure
MSR motor sensory reflex
MST multi-systemic therapy
MSU monosodium urate monohydrate
MSW Master of Social Work; medical social worker
MT medical technologist
MTB mycobacterium tuberculosis
MTC medullary thyroid cancer
MTD maximum tolerated dose; month-to-date
mthy monthly
MTP metatarsal phalangeal
MTX methotrexate
mU micro unit; milliunit
MUA medically underserved areas
MUD matched unrelated donor
MUFA monounsaturated fatty acids
MUGA multiple gated acquisition
mult multiple
MUS medically unexplained symptoms
musc muscle
MUT Methylmalonyl-CoA mutase deficiency
MV mitral valve
mV millivolt
mv. movement
MVA motor vehicle accident
MVC motor vehicle collision
MVI multivitamin (injection)
MVP mitral valve prolapse
MVR mitral valve repair/replacement/regurgitation
MVS motor, vascular, and sensory; mitral valve stenosis
MVV maximum ventilatory volume; maximum voluntary ventilation
MW molecular weight
mx. maxillary
MxT myringotomy and tubes
My myopia