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Test Code FRBP Retinol Binding Protein


Specimen Required


Specimen Type: Serum

Patient Preparation:

Fasting: 12 hours, required

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 2 mL serum

Collection Instructions:

1. Centrifuge and aliquot 2 mL of serum into a plastic vial.

2. Send refrigerated.


Children's Mercy Hospital Note:

CMH COLLECTION: 2 mL in red gel vacutainer

Specimen Minimum Volume

Serum: 0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 20 days
  Frozen  180 days

Reject Due To

Gross hemolysis Reject
Received in glass tube Reject
Viscous or pleural fluid Reject
Received at room temperature Reject

Report Available

3 to 7 days

Reporting Name

Retinol Binding Protein

Reference Values

≤17 years: Not established

≥ 18 years: 1.5-6.7 mg/dL

Method Name

Fixed Rate Time Nephelometry

Performing Laboratory

Quest Diagnostics Nichols Institute

CPT Code Information

83883