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HelpTest ID FREB Retinol Binding Protein
Method Name
Fixed Rate Time Nephelometry
Reporting Name
Retinol Binding ProteinSpecimen Type
SerumDraw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.
Required: Fasting for at least 12 hours.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 90 days |
Reference Values
1.5 - 6.7 mg/dL
Day(s) Performed
Tuesday, Friday
Report Available
5 daysPerforming Laboratory
Quest Diagnostics Nichols InstituteCPT Code Information
83883