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Protein, Total, 24-Hour Urine with Creatinine
10 mL aliquot from a well-mixed, 24-hour collection - no preservative
Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Record total volume and duration of collection on test requisition and urine vial
Plastic urine container
Room temperature: 4 days
Refrigerated: 5 days
Frozen: 30 days
Spectrophotometry (SP) • Colorimetric
|1737 Airport Way S Suite 200|
|Seattle, WA 98134-1636|
Set up: Mon-Fri (Night shift); Report available: 3 days
Requires accurate 24-hour urine collection.
|Protein, Total, 24-Hour Urine||<150||mg/24 h|
|Protein/Creatinine Ratio||≤84||mg/g creat|
|Creatinine, 24-Hour Urine|
|<36 Months||Not established|
|3-8 Years||0.11-0.68 g/24 h|
|9-12 Years||0.17-1.41 g/24 h|
|13-17 Years||0.29-1.87 g/24 h|
|>17 Years||0.63-2.50 g/24 h|
Proteinuria, mainly glomerular, is often a manifestation of primary renal disease although transient proteinuria may occur with fevers, thyroid disorders, and in heart disease. In the absence of renal disease, the degree of proteinuria is slight, usually amounting to less than 2 grams per day. In chronic glomerulonephritis and in the nephrotic syndrome including lipoid nephrosis and in some forms of hypertensive vascular disease, protein loss may vary from a few grams to as much as 30 g/day.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
(The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.)
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.