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Protein, Urine Qual
MessageTest performed at York Hospital Laboratory.
Test Code
UPRO
CPT Codes
81003
Preferred Specimen
12 mL urine submitted in a sterile plastic leakproof container
Instructions
Collect a freshly voided, clean-catch, mid-stream urine specimen.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 1 hour
Refrigerated: 24 hours
Frozen: Not recommended
Refrigerated: 24 hours
Frozen: Not recommended
Methodology
Reflectance Spectrophotometry
Setup Schedule
Daily
Report Available
Next Day
Reference Range
Negative-Trace
Clinical Significance
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 (e.g., glomerulonephritis or nephrotic syndome) -Tubular proteinuria: caused by incomplete tubular reabsorption of proteins (e.g., interstitial nephritis) -Overflow proteinuria: caused by increased plasma concentration of protein(s) (e.g., multiple myeloma, myoglobinuria) -Urinary tract inflammation or tumor