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Prealbumin
Test CodeLAB115
Alias/See Also
Transthyretin
CPT Codes
84134
Preferred Specimen
4.5 ml (600 ml min) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (200 ul minimum) serum
Instructions
After centrifugation, if not in gel barrier tube, pour off serum into an aliquot tube
Transport Temperature
Room Temp
Specimen Stability
Separated from cells: 8 hours room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >40 mg/dL bilirubin, Hemolysis: >500 mg/dL hemoglobin, Lipemia: >200 mg/dL; Ascorbate: >20mg/dL
Methodology
Turbidimetric
Setup Schedule
Mon- Sun
Reference Range
20-40 mg/dL
Clinical Significance
This protein is an
acute phase reactant whose levels fall in inflammation, malignancy, cirrhosis of the liver and protein wasting
diseases of the gut or kidneys. Decreases are associated with liver disease and malnutrition. Levels of Prealbumin
increase in Hodgkins disease
acute phase reactant whose levels fall in inflammation, malignancy, cirrhosis of the liver and protein wasting
diseases of the gut or kidneys. Decreases are associated with liver disease and malnutrition. Levels of Prealbumin
increase in Hodgkins disease
Performing Laboratory
Piedmont Athens Regional
