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Test Code LAB115 Prealbumin (PAB), Transthyretin, Serum

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Immunoturbidimetric

Literature Reference:

Package insert: Prealbumin reagent PREA. Roche Corporation 2019/08.

Specimen Requirements

Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube

 

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: not available
Routine: results available 2-4 hours of receipt

Test Classification and CPT Coding

84134

Reference Values

20-40 mg/dL

Prealbumin has been shown to be useful in the assessment of nutritional states particularly in monitoring the response to nutritional support in the acutely ill patient. The short half-life of prealbumin (approximately 2 days) makes it a sensitive indicator of any changes affecting its synthesis or catabolism.

Literature References:

Package insert: Prealbumin reagent PREA. Roche Corporation 2019/08.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only

Analyte Stability:

See Analyte Stability Chart.

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.

LOINC Code Information

Name LOINC Code
Prealbumin 14338-8