Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

PREALBUMIN

General Information

Lab Order Codes:

PRAB

Synonyms:

Transthyretin

CPT Codes:

84134 - Prealbumin

Test Includes:

Prealbumin concentration reported in mg/dL.

Logistics

Test Indications:

Prealbumin is a short-lived, rapid responder to nutritional adequacy and a transport protein for thyroxine and Vitamin A. An elevated concentration is associated with renal insufficiency and steroid administration.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

2 hours

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) tube preferred
Alternate tube: Red top (plain, no gel) tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL plasma/serum

Collection:

Routine venipuncture. Mix tubes containing anticoagulant by gentle inversion.

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a plastic sample cup. Store at refrigerated temperatures.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen

Interpretive

Reference Range:

Age:

Range:

Normal newborn (0 - 4 days):

4.7 - 18.7 mg/dL

4 days - 3 months:

15.9 - 24.4 mg/dL

>3 months:

21.2 - 42.4 mg/dL

Critical Values:

N/A

Limitations:

N/A

Methodology:

Nephelometry, Siemens Dimension Vista

References:

Jacobs and DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc., Hudson, OH, 5th ed

Siemens Dimension Vista PREALB Flex Insert, PN K7064G00E0805, 6/12

Updates:

12/22/2011: Turnaround time updated, previously listed as 1 day.
3/6/2014: Method update, previously listed as PETIA



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