Prealbumin


Abbrev Code:PREALB   
Order Code:LAB115Order Name:Prealbumin
Synonyms:TBPA; Thyroxine Binding Prealbumin; Transthyretin
Methodology:Endocrine: Immunoturbidimetry
Woodwinds: CMIA
All other sites: 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

Specimen:Blood
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 UM Specialty Core/Prot/Endo (Optilite C)  (Grand Itasca, Southdale, UMMC West Bank, Woodwinds)


Interpretive

Reference Range:
Grand Itasca (all ages): 17-34 mg/dL
Woodwinds: 19-38 mg/dL

All other sites: 
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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