Prealbumin

TEST: 016931
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CPT: 84134
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Synonyms

  • Transthyretin

Expected Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Specimen Requirements

Specimen

Serum

Volume

1 mL (adult), 0.1 mL (pediatric)

Container

Red-top tube or gel-barrier tube

Storage Instructions

Room temperature

Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Test Details

Use

Evaluate protein malnutrition, total parenteral nutrition, and liver dysfunction. Values are decreased in inflammatory processes, malignancy, protein malnutrition, and protein wasting diseases of the gut or kidney. Values are increased in Hodgkin's disease.

Methodology

Immunologic

Reference Interval

See table.

Age

Range (mg/dL)

0 to 30 d

7−39

1 m to 12 y

11−26

13 to 17 y

13−32

18 to 40 y

14−35

41 to 50 y

12−34

51 to 70 y

10−36

>70 y

9−32

Additional Information

Prealbumin is functional in transporting T4 and T3. It is a negative acute phase reactant and has a molecular mass of 54,000.

References

Heil W, Ehrhardt V. Reference Ranges for Adults and Children. Pre-Analytical Considerations. Rotkreuz, Switzerland: Roche Diagnostics Ltd; 2008:62.

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
016931 Prealbumin 14338-8 016931 Prealbumin mg/dL 14338-8

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