Description

Results of chemistry tests performed on urine can be converted between conventional (US) and SI units if the conversion factors are known.


Specimen: urine

 

Test

Conventional Units

Factor for Conversion

SIU Units

17-Hydroxycorticosteroids (17-OHCS)

mg/g of creatinine

113.1

mg/mol of creatinine

17-Hydroxyketosteroids (17-OHKS, cortisol)

mg/24 h

2.76

µmol/d

17-Hydroxyketosteroids (17-OHKS, cortisol)

µg/24 h

2.76

nmol/d

17-Ketosteroids (as DHEA)

mg/24 h

3.47

µmol/d

5-Hydroxyindoleacetic acid (5-HIAA)

mg/24 h

5.2

µmol/d

Albumin

mg/24 h

0.001

g/d

Aldosterone

mEq/24 h

1

mmol/d

Aldosterone

µg/24 h

2.77

nmol/d

Amylase

Somogyi units/h

0.185

U/h

Ascorbic acid

mg/dL

5.678

µmol/L

Calcium

mg/24 h

0.025

mmol/d

Catecholamines, fractionated - dopamine

µg/24 h

6.53

nmol/d

Catecholamines, fractionated - dopamine

µg/mg creatinine

738

µmol/mol creatinine

Catecholamines, fractionated - dopamine

pg/mL

6.53

pmol/L

Catecholamines, fractionated - dopamine

ng/mL

6.53

nmol/L

Catecholamines, fractionated - epinephrine

µg/24 h

5.46

nmol/d

Catecholamines, fractionated - epinephrine

µg/mg creatinine

617

µmol/mol creatinine

Catecholamines, fractionated - epinephrine

pg/mL

5.46

pmol/L

Catecholamines, fractionated - epinephrine

ng/mL

5.46

µmol/d

Catecholamines, fractionated - norepinephrine

µg/24 h

5.91

nmol/d

Catecholamines, fractionated - norepinephrine

µg / mg creatinine

669

µmol/mol creatinine

Catecholamines, fractionated - norepinephrine

pg/mL

5.91

pmol/L

Catecholamines, fractionated - norepinephrine

ng/mL

5.91

nmol/L

Chloride

mEq/24 h

1

mmol/d

Copper

µg/24 h

0.0157

µmol/d

Coproporphyrin

µg/dL

15.27

nmol/L

Coproporphyrins

µg/24 h

1.527

nmol/d

Creatinine

g/24 h

8.84

mmol/d

Creatinine

mg/24 h

0.0088

mmol/d

Creatinine

mg/kg/24 h

8.84

µmol/kg•d

Cyclic adenosine monophosphate (c-AMP)

mg/24 h

3.04

µmol/d

Cyclic adenosine monophosphate (c-AMP)

mg/g creatinine

344

µmol/mol creatinine

Estrogens, total

µg/24 h

3.47

nmol/d

Glucose

mg/d

0.0056

mmol/d

Homovanillic Acid (HVA)

mg/24 h

5.49

µmol/d

Homovanillic Acid (HVA)

µg/24 h

0.0055

µmol/d

Homovanillic Acid (HVA)

µg/mg of creatinine

0.621

mmol/mol of creatinine

Lead

µg/24 h

0.0048

µmol/d

Magnesium

mg/24 h

0.411

mmol/d

Magnesium

mEq/24 h

0.5

mmol/d

Metanephrines, fractionated - metanephrine

mg/24 h

5.07

µmol/d

Metanephrines, fractionated - metanephrine

mg/g creatinine

0.5736

µmol/mol creatinine

Metanephrines, fractionated - normetanephrine

ng/mL

5.46

nmol/L

Metanephrines, fractionated - normetanephrine

mg/ g creatinine

0.617

mmol/ mol creatinine

Muramidase (lysozyme)

mg/24 h

1

mg/d

Myoglobin

mg/L

1

mg/L

Phosphate (inorganic phosphorus)

g/24 h

32.29

mmol/d

Porphobilinogen

mg/24 h

4.42

µmol/d

Potassium

mEq/24 h

1

mmol/d

Potassium

mg/24 h

0.0256

mmol/d

Pregnanediol

mg/d

3.12

µmol/d

Protein, total

mg/24 h

0.001

g/d

Reducing substances, total

mg/d

1

mg/d

Sodium

mEq/24 h

1

mmol/d

Sodium

mg/24 h

0.0435

mmol/d

Urea nitrogen

g/24 h

0.0357

mol/d urea

Uric acid

mg/24 h

0.0059

mmol/d

Uroporphyrin

µg/24 h

1.204

nmol/d

Uroporphyrin

µg/gm creatinine

1.1362

nmol/ mmol creatinine

Vanillylmandelic acid (VMA)

mg/24 h

5.046

µmol/d

Vanillylmandelic acid (VMA)

µg / mg creatinine

0.571

mmol / mol of creatinine

Xylose

mg/dL

0.0666

mmol/L

Xylose

g/5 h

6.66

mmol/5 h

Zinc

mg/d

15.3

µmol/d

∂-Aminolevulinic acid

mg/24 h

7.63

µmol/d

 


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