Retinol Binding Protein(RBP)

Test ID: 

705280

CPT code:

83883

Clinical Use:

Serum concentrations reflect the synthesis capacity of the liver and may indicate early malnutrition, acute and chronic hepatic disease, advanced chronic renal insufficiency, and cystic fibrosis. Assess nephritic syndrome and protein-losing enteropathy. Due to the short half-life of approximately 12 hours, RBP may be suitable for monitoring the nutritional status and efficacy of parenteral nutrition

Test Information:

Responsible for binding and transporting retinol (vitamin A)

Specimen Type:

Serum or plasma

Requested Volume: 

1 mL

Minimum Volume: 

0.4 mL

Container Type: 

Red-top tube, gel-barrier tube, or green-top (heparin) tube

Collection:

Separate serum or plasma from red blood cells.

Storage Instructions:

Room temperature

Stability Requirements:

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Rejection Criteria

Gross lipemia that cannot be clarified by ultracentrifugation; heat-inactivated samples

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