Prealbumin

CPT: 84134
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Test Details

Synonyms

  • Transthyretin

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.

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

Clinical Information

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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The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf