Sign in →

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


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