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Test Code:
PCRR

Order Name:
Protein/Creatinine Ratio (Random Urine)

 
Useful For:
  1. Evaluation of renal disease
  2. Screening for monoclonal gammopathy
 
Test List In Profile:
Protein (Urine)
Creatinine (Urine)
 
 
 
Test Code:
PCRR

Order Name:
Protein/Creatinine Ratio (Random Urine)

 
Collection Specimen Or Container:
Urine, Clean container 
 
Specimen Testing Type:
Urine, minimum volume 10 mL
 
Sub Mission Container:
Clean container
 
 
 
Test Code:
PCRR

Order Name:
Protein/Creatinine Ratio (Random Urine)

 
Schedule:
Tested daily (24 hours)
 
Turnaround Time:
Collected specimen to report within 1.5 hours (90 mins)
 
Performing Location:
Chemistry, Laboratory Department Tel. 13224
 
Specimen Retention Time:
7 days
 
 
 
Test Code:
PCRR

Order Name:
Protein/Creatinine Ratio (Random Urine)

 
 
Clinical Information:
Protein in urine is normally composed of a combination of plasma-derived proteins that have been filtered by glomeruli and have not been reabsorbed by the proximal tubules and proteins secreted by renal tubules or other accessory glands.

Increased amounts of protein in the urine may be due to:
  •  Glomerular proteinuria: caused by defects in permselectivity of the glomerular filtration barrier to plasma proteins (eg, glomerulonephritis or nephrotic syndrome)
  •  Tubular proteinuria: caused by incomplete tubular reabsorption of proteins (eg, interstitial nephritis)
  •  Overflow proteinuria: caused by increased plasma concentration of proteins (eg, multiple myeloma, myoglobinuria)
  •  Urinary tract inflammation or tumor
 
Reference Value:
1 – 14 mg/dL 
 
Interpretation:
The role of the renal system in the conservation of plasma proteins has been recognized for some time. Under normal physiological conditions small molecular weight proteins, such as insulin, pass through the glomeruli in relatively large amounts. Intermediate size proteins, such as transferrin and albumin, also pass through in
relatively small amounts. Most of these proteins are reabsorbed in the renal tubules.
 
Clinical Reference:
  1. Manufacturer’s reagent package insert, Architect® Urine/CSF Protein, Abbott Laboratories, Diagnostic Division, Abbott Park IL 60064 USA, January 2016.
  2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)