Retinol Binding Protein

Test Code

RBP

Alias/See Also

791

CPT Codes
83883

Preferred Specimen

2 mL serum

Patient Preparation
Fasting for at least 12 hours is required

Minimum Volume

0.5 mL

Instructions

Avoid hemolysis

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 24 hours
Refrigerated: 20 days
Frozen: 180 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Grossly and moderately hemolyzed serum samples • Glass tube • Plasma • Viscous fluids • synovial • joint • knee • pleural

Methodology
Fixed Rate Time Nephelometry

Setup Schedule

Set up: Tues, Fri; Report available: 3-7 days

Reference Range

≤17 years	Not established
≥18 years	1.5-6.7 mg/dL

Clinical Significance

Assessment of metabolic (liver, renal disorders).

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.