Retinol Binding Protein, Random Urine - Cancel and reorder as MMMISC


Abbrev Code:RRBP   
Order Code:LAB6315Order Name:Retinol Binding Protein, Random Urine
Methodology:Enzymatic colorimetric assay; Immunonephelometry
CPT Codes: 83883 x1, 82570 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 7 days.
Compliance:

This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared by the U.S. Food and Drug Administration.

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Urine Collection Procedure



Collection Instructions

Specimen:Urine
Optimal Volume:5 mL
Minimum\Peds Volume:1 mL
Container:Plastic leakproof container, sterile
Causes for Rejection:All specimens will be evaluated at Mayo Clinic Laboratories for test suitability,


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:7 days refrigerated (preferred) or frozen.
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:RBR


Interpretive

Reference Range:18 years or older: <190 mcg/g creatinine.
Reference values have not been established for patients that are less than 18 years of age.
Limitations:Since this is a nephelometric assay, turbidity and particle (e.g., cells, crystals) in the specimen can interfere with the test. Therefore, all urine specimens should be centrifuged at ambient temperature prior to testing,
Use:Retinol-binding protein above the reference values may be indicative of a proximal tubular dysfunction.


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