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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