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HelpTest ID RBR Retinol-Binding Protein, Random, Urine
Specimen Required
Container/Tube: Plastic, 5-mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Secondary ID
610010Useful For
Assessing renal tubular injury or dysfunction using random urine collections
Screening for other tubular abnormalities
Detecting chronic asymptomatic renal tubular dysfunction.(2)
Specimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
≥18 years: <190 mcg/g creatinine
Reference values have not been established for patients that are less than 18 years.
Day(s) Performed
Monday, Wednesday, Friday
Report Available
1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83883-Retinol -Binding Protein, Random, U
82570-Creatinine, Random, U
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.