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 |
ICD-10: ,