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Register NowProtein and Creatinine, Random Urine
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CPT Code:
82570, 84156
Test Type: 50 mL Urine (random)
Stability Time:
|
Temperature |
Period |
|---|---|
|
Room temperature |
7 days |
|
Refrigerated |
14 days |
|
Frozen |
14 days |
|
Freeze/thaw cycles |
Stable x3 |
Reference Range:
Protein/Creat Ratio 1mg/g 0 - 200
Overview:
Protein:creatinine ratio in a first-morning or random untimed "spot" urine specimen is recommended testing to ascertain chronic kidney disease.1 It is also used to evaluate nephrotic syndromes; work up other renal diseases, including malignant hypertension, glomerulonephritis, Goodpasture syndrome, cryoglobulinemia, toxemia of pregnancy, drug nephrotoxicity, and renal tubular lesions; manage myeloma and macroglobulinemia of Waldenström (Bence Jones proteinuria); evaluate hypoproteinemia; tubular proteinurias, including Wilson's disease and Fanconi syndrome. Albumin/Creatinine Ratio, Random Urine is a more sensitive marker of progression and regression of renal disease than urine total protein, especially when urine total protein is <300 mg/g creatinine.
1. Kidney Disease Outcomes Quality Initiative (K/DOQI). K/DOQI clinical practice guidelines on hypertension and antihypertensive agents in chronic kidney disease.Am J Kidney Dis. 2004 May; 43(5 Suppl 1):S1-290. PubMed 15114537
Collection Details:
Collection Instructions:
Plastic urine container, no preservative.
Collect random urine in a clean plastic container. Label the urine container with the patient's full name and the date and time of collection.
Room temperature.