Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

RETINOL BINDING PROTEIN

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1123         Geisinger Epic ID: 52417

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
2 mL serum; minimum 0.5 mL
Special notes:
Avoid hemolysis.
Patient preparation:
Fasting for at least 12 hours is required.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge and aliquot. 
Transport temperature:
Refrigerated (cold packs).
Specimen stability:
Room temperature: 24 hours. Refrigerated: 20 days. Frozen: 180 days.
Rejection criteria:
Glass tube • Plasma • Viscous fluids • Synovial • Joint • Knee • Pleural • Grossly and moderately hemolyzed serum samples

TEST DETAILS
CPT code(s):
83883
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Fixed Time Nephelometry
Synonyms:
Quest test code 35422, Retinol Bind, RBP
Clinical significance:
RBP may be elevated in patients with renal disease and diabetes. Concentrations may be decreased in patients hepatotoxicity, hepatitis, and cirrhosis.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Tues, Fri; Report available: 5 days    
Performed stat? No
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