Commonly Used UCUM Codes for Healthcare Units

Document Instructions

This document contains a list of UCUM codes for commonly used units in clinical lab value reporting. The tables below display the valid UCUM code, descriptive name, non-UCUM common synonym, and an IUPAC dimenstion for the unit. Units are grouped by general type. You may browse the list, use the links to the left to jump to a specific unit type, or use the search box to the left to search for a particular unit.

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Commonly Used UCUM Codes (XML Format)
Commonly Used UCUM Codes (TSV Format)

How To Download UCUM Codes from CDC PHIN VADS

Unit Types

Most Common Healthcare Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%	Percent	%	1
/uL	PerMicroLiter	/uL	L-3
[iU]/L	InternationalUnitsPerLiter	IU/L	L-3[arb]
10*3/uL	ThousandsPerMicroLiter	K/uL, x10^3/mm^3	L-3
10*6/uL	MillionsPerMicroLiter	M/uL, x10^6/mm^3	L-3
fL	FemtoLiter	fL	L-3
g/dL	GramsPerDeciLiter	g/dL	L-3M
g/L	GramsPerLiter	g/L	L-3M
g/mL	GramsPerMilliLiter	g/mL	L-3M
kPa	KiloPascal	kPa	L-1MT-2
m[iU]/mL	MilliInternationalUnitsPerMilliLiter	mIU/mL	L-3[arb]
meq/L	MilliEquivalentsPerLiter	mEq/L	L-3N
mg/dL	MilliGramsPerDeciLiter	mg/dL	L-3M
mm[Hg]	MilliMetersOfMercury	mm Hg	L-1MT-2
mmol/kg	MilliMolesPerKiloGram	mmol/kg	M-1N
mmol/L	MilliMolesPerLiter	mmol/L	L-3N
mosm/kg	MilliOsmolesPerKiloGram	mOsm/kg	M-1N
ng/mL	NanoGramsPerMilliLiter	ng/mL	L-3M
nmol/L	NanoMolesPerLiter	nmol/L	L-3N
pg	PicoGrams	pg	M
pg/mL	PicoGramsPerMilliLiter	pg/mL	L-3M
pmol/L	PicoMolesPerLiter	pmol/L	L-3N
U/L	UnitsPerLiter	U/L	L-3[arb]
u[iU]/mL	MicroInternationalUnitsPerMilliLiter	uIU/mL	L-3[arb]
ug/dL	MicroGramsPerDeciLiter	ug/dL	L-3M
ug/L	MicroGramsPerLiter	ug/L	L-3M
ug/mL	MicroGramsPerMilliLiter	ug/mL	L-3M
umol/L	MicroMolesPerLiter	umol/L	L-3N

Unity

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[lg]	Log10	log 10	1
10*6/{Specimen}	MillionPerSpecimen	x10^6/spec	1
/{tot}	PerTotalCount	/Total	1
10*3	Thousand	x10^3	1
10*3.{RBC}	ThousandRedBloodCells	x10^3 RBCs	1
10*5	OneHundredThousand	x10^5	1
10*6	Million	x10^6	1
10*8	TenToEighth	x10^8	1

General Fraction Unit

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%	Percent	%	1
{Relative}%	RelativePercent	Relative %	1
%{Total}	PercentTotal	% of Total	1
%{0to3Hours}	Percent0to3Hours	% 0-3 h	1

Number Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/10*10	PerTenGiga	/10^10	1
/10*6	PerMillion	/10^6	1
/10*9	PerBillion	/10^9	1
/10*12	PerTrillion	/10^12	1
%{Normal}	PercentNormal	% Normal	1
%{SpermMotility}	PercentSpermMotility	% Sperm Motility	1
%{Positive}	PercentPositive	% Positive	1
%{FetalErythrocytes}	PercentFetalErythrocytes	% Fetal RBC	1
%{OfLymphocytes}	PercentOfLymphocytes	% Lymphs	1
%{ofBacteria}	PercentofBacteria	% Bacteria	1
%{OfWBCs}	PercentOfWBCs	% WBCs	1
%{Abnormal}	PercentAbnormal	% Abnormal	1
%{EosSeen}	PercentEosinophilsSeen	% EOS Seen	1
%{Hemolysis}	PercentHemolysis	% Hemolysis	1
%{Blockade}	PercentBlockade	% Blockade	1
%/100{WBC}	PercentPer100WBC	% per 100 WBC	1

Mass Or Substance Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%{Binding}	PercentBinding	% Binding	1
%{TotalProtein}	PercentTotalProtein	% Total Protein	1
%{Bound}	PercentBound	% Bound	1
%{Hemoglobin}	PercentHemoglobin	% Hgb	1
%{HemoglobinSaturation}	PercentHemoglobinSaturation	% Hgb SAT	1
%{Carboxyhemoglobin}	PercentCarboxyhemoglobin	% CO Hgb	1
%{HemoglobinA1C}	PercentHemoglobinA1C	% Hgb A1C	1

Mass Or Substance Rate Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%{Excretion}	PercentExcretion	% Excretion	1
%{Uptake}	PercentUptake	% Uptake	1

Mass Ratio Or Mass Fraction Or Mass Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
ug/ng	MicroGramsPerNanoGram	ug/ng	1
ng/mg	NanoGramsPerMilliGram	ng/mg	1
ng/mg{Protein}	NanoGramsPerMilliGramProtein	ng/mg Prot	1
ug/mg	MicroGramsPerMilliGram	ug/mg	1
ug/mg{Cre}	MicroGramsPerMilliGramCreatinine	ug/mg Cre	1
mg/mg	MilliGramsPerMilliGram	mg/mg	1
mg/mg{Cre}	MilligramsPerMilligramCreatinine	mg/mg Cre
ng/g	NanoGramsPerGram	ng/g	1
ng/g{Cre}	NanoGramsPerGramCreatinine	ng/g Cre	1
ug/g	MicroGramsPerGram	ug/g	1
ug/[100]g	MicroGramPer100Gram	ug/100 g	1
ug/g{DryWeight}	MicroGramPerGramDryWeight	ug/g Dry Weight	1
ug/g{Cre}	MicroGramPerGramCreatinine	ug/g Cre	1
ug/g{Hgb}	MicroGramsPerGramHemoglobin	ug/g Hgb	1
mg/g	MilliGramsPerGram	mg/g	1
mg/g{Cre}	MilliGramPerGramCreatinine	mg/g Cre	1
g/g	GramsPerGram	g/g	1
ng/kg	NanoGramsPerKiloGram	ng/kg	1
ug/kg	MicroGramsPerKiloGram	ug/kg	1
mg/kg	MilliGramsPerKiloGram	mg/kg	1
g/kg	GramsPerKiloGram	g/kg	1
g/[100]g	GramsPer100Gram	g/100g	1
g/g{Cre}	GramsPerGramCreatinine	g/g Cre	1

Substance Ratio Or Substance Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
pmol/umol	PicoMolesPerMicroMole	pmol/umol	1
nmol/mmol	NanoMolesPerMilliMole	nmol/mmol	1
nmol/mmol{Cre}	NanoMolesPerMilliMoleCreatinine	nmol/mmol Cre	1
nmol/mol	NanoMolesPerMole	nmol/mol	1
umol/mol	MicroMolesPerMole	umol/mol	1
mmol/mol	MilliMolesPerMole	mmol/mol	1
mmol/mol{Cre}	MilliMolesPerMoleCreatinine	mmol/mol Cre	1
umol/mol{Cre}	MicroMolesPerMoleCreatinine	umol/mol Cre	1
eq/umol	EquivalentsPerMicroMole	eq/umol	1
eq/mmol	EquivalentsPerMilliMole	eq/mmol	1
{BoneCollagen}eq/mmol{Cre}	BoneCollagenEquivalentsPerMilliMoleCreatinine	BCE/mmol Cre	1
{BoneCollagen}eq/umol{Cre}	BoneCollagenEquivalentsPerMicroMoleCreatinine	BCE/umol Cre	1

Volume Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%{vol}	VolumePercent	Volume %	1
%{Oxygen}	PercentOxygen	% Oxygen	1
mL/dL	MilliLitersPerDeciLiter	cc/dL	1

Catalytic Fraction Or Arbitrary Fraction Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
%{NormalPooledPlasma}	PercentNormalPooledPlasma	% Normal Pooled Plasma	1
%{Activity}	PercentActivity	% Activity	1
%{BasalActivity}	PercentBasalActivity	% Basal Activity	1
%{Inhibition}	PercentInhibition	% Inhibition	1

Entitic Number Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/{Entity}	PerEntity	/Entity	1
/100{WBC}	Per100WBC	/100 WBCs	1
/100	Per100	/100	1
/100{Spermatozoa}	Per100Spermatozoa	/100 Sperm	1
/10*12{rbc}	PerTrillionRedBloodCells	/10^12 RBCs	1

Plane Angle Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
deg	DegreesOfArc	Deg	1

Arbitrary Number Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/[arb`U]	PerArbitraryUnit	/Arbitrary Unit	[arb]-1

Arbitrary Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
u[iU]	MicroInternationalUnit	uIU	[arb]
[iU]	InternationalUnit	IU	[arb]
10*6.[iU]	MillionInternationalUnit	10^6 IU	[arb]

English Length Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[in_i]	Inch	in	L
[ft_i]	Feet	ft	L
[yd_i]	Yard	yd	L
[fth_i]	Fathom	fathom	L
[mi_i]	StatuteMile	mi	L
[nmi_i]	NauticalMile	n mile	L
[Ch]	French	French Unit	L

SI Length Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
fm	FemtoMeter	fm	L
pm	PicoMeter	pm	L
nm	NanoMeter	nm	L
um	MicroMeter	um	L
mm	MilliMeter	mm	L
cm	CentiMeter	cm	L
dm	DeciMeter	dm	L
m	Meter	m	L
km	KiloMeter	km	L

English Mass Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[gr]	Grain	gr	M
[oz_av]	Ounce	oz	M
[oz_tr]	TroyOunce	tr oz	M
[lb_av]	Pound	lb	M
[ston_av]	Ton	Ton	M
[dr_av]	Dram	dr	M

SI Mass Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
fg	FemtoGram	fg	M
pg	PicoGram	pg	M
ng	NanoGram	ng	M
ug	MicroGram	ug	M
ug/{TotalVolume}	MicroGramsPerTotalVolume	ug/Total Volume	M
ug/{Specimen}	MicroGramsPerSpecimen	ug/Spec	M
mg	MilliGram	mg	M
mg/{Volume}	MilliGramsPerVolume	mg/Volume	M
mg/{TotalVolume}	MilliGramPerTotalVolume	mg/Total Volume	M
g	Gram	g	M
g/{TotalWeight}	GramsPerTotalWeight	g/Total Weight	M
dg	DeciGram	dg	M
cg	CentiGram	cg	M
kg	KiloGram	kg	M
t	MetricTon	Metric Ton	M

Lineic Mass Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
pg/mm	PicoGramsPerMilliMeter	pg/mm	L-1M

Temperature Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
K	DegreesKelvin	K	q
Cel	DegreesCelsius	C	q
[degF]	DegreesFahrenheit	F	q

Thermal Resistance Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
K/W	KelvinPerWatt	K/Watt	L-2M-1T3q

Time Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
ps	PicoSecond	ps	T
ns	NanoSecond	ns	T
us	MicroSecond	us	T
ms	MilliSecond	ms	T
s	Second	sec	T
ks	KiloSecond	ks	T
Ms	Megasecond	Ms	T
min	Minute	min	T
h	Hour	h	T
d	Day	d	T
wk	Week	wk	T
mo	Month	Mo	T
a	Year	yr	T

Substance Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
eq	Equivalent	eq	N
ueq	MicroEquivalent	ueq	N
meq	MilliEquivalent	meq	N
meq/{Specimen}	MilliEquivalentsPerSpecimen	meq/Spec	N
mol	Mole	mol	N
mmol	MilliMole	mmol	N
mmol/{TotalVolume}	MilliMolesPerTotalVolume	mmol/Total Volume	N
fmol	Femtomole	fmol	N
pmol	PicoMole	pmol	N
umol	MicroMole	umol	N
nmol	NanoMole	nmol	N
mosm	MilliOsmole	mosm	N

Areic Substance Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
meq/m2	MilliEquivalentsPerSquareMeter	meg/m^2	L-2N
mmol/m2	MilliMolesPerSquareMeter	mmol/m^2	L-2N

English Area Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[sin_i]	SquareInch	in^2	L2
[sft_i]	SquareFeet	ft^2	L2
[syd_i]	SquareYard	yd^2	L2

SI Area Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
mm2	SquareMilliMeter	mm^2	L2
cm2	SquareCentiMeter	cm^2	L2
m2	SquareMeter	m^2	L2

English Volume Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[foz_us]	FluidOunce	fl oz	L3
[cin_i]	CubicInch	in^3	L3
[cup_us]	Cup	Cup	L3
[pt_us]	Pint	pt	L3
[qt_us]	Quart	qt	L3
[gal_us]	Gallon	gal	L3
[fdr_us]	FluidDram	fl dr	L3

SI Volume Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
fL	FemtoLiter	fL	L3
pL	PicoLiter	pL	L3
nL	NanoLiter	nL	L3
uL	MicroLiter	uL	L3
mL	MilliLiter	mL	L3
mL/{h`b}	MilliLitersPerHeartbeat	mL/heart beat	L3
L	Liter	L	L3
dL	DeciLiter	dL	L3
cL	CentiLiter	cL	L3
kL	KiloLiter	kL	L3
hL	HectoLiter	hL	L3

Volume Duration Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
L.s2/s	LiterSquareSecondPerSecond	L s^2/s	L3T

Number Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/mg	PerMilliGram	mg	M-1
/g	PerGram	/g	M-1
/g{creat}	PerGramCreatinine	/g Cre	M-1
/g{HGB}	PerGramHemoglobin	/g Hgb	M-1
/g{tot`nit}	PerGramTotalNitrogen	/g Total Nitrogen	M-1
/g{tot`prot}	PerGramTotalProtein	/g Total Protein	M-1
/g{wet`tis}	PerGramWetTissue	/g Wet Tissue	M-1
/kg	PerKiloGram	/kg	M-1
/kg{body`wt}	PerKiloGramBodyWeight	/kg Body Weight	M-1

Substance Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
fmol/mg	FemtoMolesPerMilliGram	fmol/mg	M-1N
nmol/mg	NanoMolesPerMilliGram	nmol/mg	M-1N
umol/mg	MicroMolesPerMilliGram	umol/mg	M-1N
umol/mg{Cre}	MicroMolesPerMilliGramCreatinine	umol/mg Cre	M-1N
mol/kg	MolesPerKiloGram	mol/kg	M-1N
fmol/g	FemtoMolesPerGram	fmol/gm	M-1N
nmol/g	NanoMolesPerGram	nmol/g	M-1N
nmol/g{Cre}	NanoMolesPerGramCreatinine	nmol/g Cre	M-1N
umol/g	MicroMolesPerGram	umol/g	M-1N
umol/g{Cre}	MicroMolesPerGramCreatinine	umol/g Cre	M-1N
umol/g{Hgb}	MicroMolesPerGramHemoglobin	umol/g Hgb	M-1N
mmol/g	MilliMolesPerGram	mmol/g	M-1N
mmol/kg	MilliMolesPerKiloGram	mmol/kg	M-1N
osm/kg	OsmolesPerKiloGram	Osm/kg	M-1N

Substance Rate Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
mosm/kg	MilliOsmolesPerKiloGram	mosm/kg	M-1T-1N
meq/g	MilliEquivalentsPerGram	meq/g	M-1N
meq/g{Cre}	MilliEquivalentsPerGramCreatinine	meq/g Cre	M-1N
meq/kg	MilliEquivalentsPerKiloGram	meq/kg	M-1N

Arbitrary Concentration Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[iU]/g	InternationalUnitsPerGram	IU/g	M-1[arb]
[iU]/g{Hgb}	InternationalUnitsPerGramHemoglobin	IU/g Hgb	M-1[arb]
{Ehrlich_U}/100g	EhrlichUnitsPer100Gram	EU/100 g	M-1[arb]
[iU]/kg	InternationalUnitsPerKilogram	IU/kg	M-1[arb]
umol/min/g	MicroMolesPerMinutePerGram	umol/min/g	M-1T-1N
mU/g	MilliUnitsPerGram	mU/g	M-1T-1N
mU/g{Hgb}	MilliUnitsPerGramHemoglobin	mU/g Hgb	M-1T-1N
U/g	UnitsPerGram	U/g	M-1T-1N
U/g{Hgb}	UnitsPerGramHemoglobin	U/g Hgb	M-1T-1N
U/g{Cre}	UnitsPerGramCreatinine	U/g Cre	M-1T-1N
mU/mg{Cre}	MilliUnitsPerMilliGramCreatinine	mU/mg Cre	M-1T-1N
mU/mg	MilliUnitsPerMilligram	mU/mg	M-1T-1N
kU/g	KiloUnitsPerGram	kU/g	M-1T-1N
kat/kg	KatalPerKilogram	kat/kg	M-1T-1N

Volume Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
mL/kg	MilliLitersPerKiloGram	mL/kg	L3M-1
L/kg	LitersPerKilogram	L/kg	L3M-1

Energy Content Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
kCal/[oz_av]	KiloCaloriesPerOunce	kCal/oz	L2T-2

Areic Number Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/m2	PerSquareMeter	/m^2	L-2

Areic Mass Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
g/m2	GramsPerSquareMeter	g/m^2	L-2M
kg/m2	KiloGramsPerSquareMeter	kg/m^2	L-2M
ug/m2	MicroGramsPerSquareMeter	ug/m^2	L-2M
mg/m2	MilliGramsPerSquareMeter	mg/m^2	L-2M
ng/m2	NanoGramsPerSquareMeter	ng/m^2	L-2M

Massive Distance Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
g.m	GramMeter	Gram Meter	LM
g.m/{hb}	GramMeterPerHeartbeat	Gram Meter/Heartbeat	LM
g.m/({hb}.m2)	GramMeterPerHeartbeatPerSquareMeter	Gram Meter/Heartbeat/m^2	L-1M

Molar Mass Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
kg/mol	KiloGramsPerMole	kg/mol	MN-1

Number Concentration Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
/uL	PerMicroLiter	/mm^3	L-3
{Cells}/uL	CellsPerMicroLiter	cells/uL	L-3
{rbc}/uL	RedBloodCellsPerMicroLiter	RBC/mm^3	L-3
10*3/uL	ThousandsPerMicroLiter	10^3/uL	L-3
10*6/uL	MillionsPerMicroLiter	10^6/uL	L-3
10*9/uL	BillionsPerMicroLiter	10^9/uL	L-3
/mL	PerMilliLiter	/mL	L-3
{Spermatozoa}/mL	SpermatozoaPerMilliLiter	Sperm/mL	L-3
{Copies}/mL	CopiesPerMilliLiter	Copies/mL	L-3
10*3/mL	ThousandPerMilliLiter	10^3/mL	L-3
10*3{Copies}/mL	ThousandCopiesPerMilliLiter	10^3 copies/mL	L-3
10*6/mL	MillionPerMilliLiter	10^6/mL	L-3
10*9/mL	BillionsPerMilliliter	10^9/mL	L-3
{cfu}/mL	ColonyFormingUnitsPerMilliLiter	cfu/mL	L-3
/dL	PerDeciLiter	/dL	L-3
/L	PerLiter	/L	L-3
10*3/L	ThousandPerLiter	10^3/L	L-3
10*6/L	MillionPerLiter	10^6/L	L-3
10*12/L	TrillionPerLiter	10^12/L	L-3
10*9/L	BillionPerLiter	10^9/L	L-3

Mass Concentration Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
pg/mL	PicoGramsPerMilliLiter	pg/mL	L-3M
ng/mL	NanoGramsPerMilliLiter	ng/mL	L-3M
ng/mL{rbc}	NanoGramsPerMilliLiterRedBloodCells	ng/mL RBCs	L-3M
ug/mL	MicroGramsPerMilliLiter	ug/mL	L-3M
mg/mL	MilliGramsPerMilliLiter	mg/mL	L-3M
g/mL	GramsPerMilliLiter	g/mL	L-3M
pg/dL	PicoGramsPerDeciLiter	pg/dL	L-3M
ng/dL	NanoGramsPerDeciLiter	ng/dL	L-3M
ug/dL	MicroGramsPerDeciLiter	ug/dL	L-3M
ug/dL{rbc}	MicroGramsPerDeciLiterRedBloodCells	ug/dL RBCs	L-3M
mg/dL	MilliGramsPerDeciLiter	mg/dL	L-3M
mg{Phenylketones}/dL	MilliGramsPhenylketonesPerDeciLiter	mg Phe/dL	L-3M
g/dL	GramsPerDeciLiter	g/dL	L-3M
ng/L	NanoGramsPerLiter	ng/L	L-3M
pg/L	PicoGramsPerLiter	pg/L	L-3M
ug/L	MicroGramsPerLiter	ug/L	L-3M
mg/L	MilliGramsPerLiter	mg/L	L-3M
g/L	GramsPerLiter	g/L	L-3M
kg/L	KiloGramsPerLiter	kg/L	L-3M
mg/m3	MilliGramsPerCubicMeter	mg/m^3	L-3M
kg/m3	KiloGramsPerCubicMeter	kg/m^3	L-3M

Substance Concentration Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
fmol/mL	FemtoMolesPerMilliLiter	fmol/mL	L-3N
pmol/mL	PicoMolesPerMilliLiter	pmol/mL	L-3N
nmol/mL	NanoMolesPerMilliLiter	nmol/mL	L-3N
umol/mL	MicroMolesPerMilliLiter	umol/mL	L-3N
mol/mL	MolesPerMilliLiter	mol/mL	L-3N
pmol/dL	PicoMolesPerDeciLiter	pmol/dL	L-3N
nmol/dL	NanoMolesPerDeciLiter	nmol/dL	L-3N
umol/dL	MicroMolesPerDeciLiter	umol/dL	L-3N
mmol/dL	MilliMolesPerDeciLiter	mmol/dL	L-3N
mmol/L	MilliMolesPerLiter	mmol/L	L-3N
pmol/L	PicoMolesPerLiter	pmol/L	L-3N
nmol/L	NanoMolesPerLiter	nmol/L	L-3N
umol/L	MicroMolesPerLiter	umol/L	L-3N
mol/L	MolesPerLiter	mol/L	L-3N
mol/m3	MolesPerCubicMeter	mol/m^3	L-3N
ueq/mL	MicroEquivalentsPerMilliLiter	ueq/mL	L-3N
meq/mL	MilliEquivalentPerMilliLiter	meq/mL	L-3N
eq/mL	EquivalentsPerMilliLiter	eq/mL	L-3N
{AHG}eq/mL	AHGEquivalentsPerMilliLiter	AHG eq/mL	L-3N
10*6.eq/mL	MillionEquivalentsPerMilliLiter	10^6 eq/mL	L-3N
ueq/L	MicroEquivalentsPerLiter	ueg/L	L-3N
meq/L	MilliEquivalentsPerLiter	meg/L	L-3N
eq/L	EquivalentsPerLiter	eg/L	L-3N
meq/dL	MilliEquivalentsPerDeciLiter	meg/dL	L-3N
mosm/L	MilliOsmolesPerLiter	mOsm/L	L-3N
osm/L	OsmolesPerLiter	Osm/L	L-3N

Arbitrary Concentration Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
u[iU]/mL	MicroInternationalUnitsPerMilliLiter	uIU/mL	L-3[arb]
m[iU]/mL	MilliInternationalUnitsPerMilliLiter	mIU/mL	L-3[arb]
{IgGPhospholipid}U/mL	IgGPhospholipidUnitsPerMilliLiter	IgG Phospholipid U/mL	L-3[arb]
{IgMPhospholipid}U/mL	IgMPhospholipidUnitsPerMilliLiter	IgM Phospholipid U/mL	L-3[arb]
{ComplementCh50}U/mL	ComplementCh50UnitsPerMilliLiter	CH50 U/mL	L-3[arb]
{IgAPhospholipid}U/mL	IgAPhospholipidUnitsPerMilliLiter	IgA Phospholipid U/mL	L-3[arb]
{Elisa_U}/mL	ElisaUnitsPerMilliLiter	Elisa U/mL	L-3[arb]
[iU]/mL	InternationalUnitsPerMilliLiter	IU/mL	L-3[arb]
k[iU]/mL	KiloInternationalUnitsPerMilliLiter	kIU/mL	L-3[arb]
[iU]/dL	InternationalUnitsPerDeciLiter	IU/dL	L-3[arb]
{Ehrlich_U}/dL	EhrlichUnitsPerDeciLiter	EU/dL	L-3[arb]
m[iU]/L	MilliInternationalUnitsPerLiter	mIU/L	L-3[arb]
[iU]/L	InternationalUnitsPerLiter	IU/L	L-3[arb]

pH Units

Valid UCUM Code	Descriptive Name	Common Synonym (non-UCUM)	Dimension (IUPAC)
[pH]	pH	pH	[pH]