Abbrev Code:PREALB   
Order Code:LAB115Order Name:Prealbumin
Synonyms:TBPA; Thyroxine Binding Prealbumin; Transthyretin
Methodology:Endocrine: Immunoturbidimetry
Roche: Nephelometric
CPT Codes: 84134 x1, 84134 x1
Turnaround Time:Endocrine: Performed Mon-Fri; results are reported within the same day.
All other sites: Performed and reported hours/day.
Associated Links:

Roche Go Live Schedule

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Chemistry Tests Containers Chart
Causes for Rejection:Gross hemolysis or lipemic samples. Samples not separated from cells within 2 hours of collection.

Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 6 months refrigerated; 1 year frozen.
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-Range, UMMC West Bank)


Reference Range:
Age mg/dL
0-1 y 7-25
2-10 y 12-33
11 y & older 15-45
Use:Assessment of nutritional status; evaluation of total parenteral nutrition.

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