Test Code RETIN Retinol Binding Protein
Additional Codes
Epic: LAB2406
Quest: 791
Specimen Required
Patient Preparation: Fasting for at least 12 hours is required
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Specimen Minimum Volume
0.5 mL
Specimen Stability
Room temperature: 24 hours
Refrigerated: 20 days
Frozen: 180 days
Reference Range
1.5-6.7 mg/dL
Rejection Due To
Hemolysis
Report Available
4-8 days
Clinical Significance
RBP may be elevated in patients with renal disease and diabetes. Concentrations may be decreased in patients with hepatotoxicity, hepatitis, and cirrhosis.
Method Name
Fixed Rate Time Nephelometry
CPT Code(s)
86320, 83883
Day(s) Performed
Tuesday, Friday