Key to Units and Abbreviations

ADA American Diabetes Association
ALCalcohol
AMAAmerican Medical Association
APLIgA phospholipid units
ASHIAmerican Society for Histocompatibility and Immunogenetics
AUarbitrary units
AU/mLarbitrary units per milliliter
BALbronchoalveolar lavage
CAE complement activity enzyme
CAPCollege of American Pathologists
CDCCenters for Disease Control and Prevention
CFU/mLcolony forming units per milliliter
CLSIClinical and Laboratory Standards Institute
cmm cubic millimeter
CMS Centers for Medicare & Medicaid Services
cP centipoise unit
CPM counts per minute
CPT Current Procedural Terminology
cPU centipoise unit
cpy/mL copies per milliliter
crt creatinine
CSF cerebrospinal fluid
CVS clean voided specimen
d day
dL deciliter
EIA enzyme immunoassay
EIU enzyme immunoassay unit
ELISA enzyme-linked immunosorbent assay
ETU/mL endotoxin units per milliliter
EU ELISA units
EV ELISA value
fL femtoliter
g gram
g/5 hrs hrs grams per 5 hours
g/24 hrs hrs grams per 24 hours
g/d grams per day
g/dL grams per deciliter
GPL IgG phospholipid units
Hb hemoglobin
HIPAA Health Insurance Portability and Accountability
hr hour
ISR immune status ratio
IU international unit
IU/g international units per gram
IU/L international units per liter
IU/mL international units per milliliter
IVindex value
kDa kilodalton
kg kilogram
k/μL thousand per microliterL liter
kPa kilopascal
L liter
LOINC Logical Observation Identifier Names and Codes
LIA Microlatex Particle-Mediated Immunoassay
LI Lyme Index
LIV Lyme Index Value
M/μL million per microliter
mg milligram
mg/24 hours hrs milligrams per 24 hours
mg/d milligrams per day
mg/dL milligrams per deciliter
mg/g milligrams per gram
mg/L milligrams per liter
MIC minimum inhibitory concentration
min minute
mIU milli international units
mIU/hr milli international units per hour
mL milliliter
mL/min milliliters per minute
mm millimeter
mmol millimole
mmol/d millimoles per day
mmol/L millimoles per liter
mmol/mol crt crt millimoles per mole creatinine
mol mole
mOsm milliosmole
mOsm/kg milliosmoles per kilogram
MPL IgM phospholipid units
mPOL milli polarization unit
mU milliunit
mU/g milliunits per gram
mU/L milliunits per liter
mU/mL milliunits per milliliter
NCCLS National Committee Clinical Laboratory Standards (now known as Clinical and Laboratory Standards Institute)
ng nanogram
ng/dL nanograms per deciliter
ng/L nanograms per liter
ng/mL nanograms per milliliter
ng/mL/hr nanograms per milliliter per hour
nM/mM nanomole per millimole
nmol nanomole
nmol/d nanomoles per day
nmol/dL nanomoles per deciliter
nmol/g nanomoles per gram
nmol/L nanomoles per liter
nmol/mL nanomoles per milliliter
OD optical density (equivalent to absorbance)
PCR polymerase chain reaction
pg picogram
pg/mL picograms per milliliter
pmol picomole
pmol/g picomoles per gramppm parts per million
ppm parts per million
PPT Plasma Preparation Tube™
PST plasma separator tube
RPR rapid plasma reagin
SD standard deviation
sec second
SI stimulation index
SST serum separator tube
TV total volume
TOI tincture of iodine
U unit
U/day units per day
U/g units per gram
U/hr units per hour
U/L units per liter
U/mL units per milliliter
UHCL University Hospital Clinical Laboratory
% percent
μg microgram
μg/24 hrs hrs micrograms per 24 hours
μg/d micrograms per day
μg/dL micrograms per deciliter
μg/g micrograms per gram
μg/g crt crt micrograms per gram creatinine
μg/L micrograms per liter
μg/mg micrograms per milligram
μg/mL micrograms per milliliter
μgE/mL microgram equivalents per milliliter
μL microliter
μmol micromole
μmol/d micromoles per day
μmol/dL micromoles per deciliter
μmol/g micromoles per gram
μmol/L micromoles per liter
μmol/mL micromoles per milliliter
μU microunit
μU/mL microunits per milliliter