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MAC –
maximum allowable cost
MD
Doctor of Medicin
MDM
medical decision-making
MI
myocardial infarction
MMR –
measles, mumps, and rubella
mEq
milliequivalent
mcg/µg
microgram
mg
milligram
mL
milliliter
mOsm
–milliosmole
MMA –
Medicare Modernization Act
MR
modified-release
MRN
medical record number
MS
multiple sclerosis
MVC
motor vehicle collision
MVA
motor vehicle accident
N/A
not applicable
NCPDP –
National Council for Prescription Drug Programs
NDKA –
non-diabetic ketoacidosis
NKA –
no known allergies
NB –
newborn
NDC –
National Drug Code
NH₃ –
ammonia
NPO –
nothing by mouth
NS –
normal saline
NSR –
normal sinus rhythm
NP –
nurse practitioner
nl –
normal
n/v/d –
nausea, vomiting, and diarrhea