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Vitamin A, E, and β-Carotene Profile

CPT: 82380; 84446; 84590
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Expected Turnaround Time

4 - 7 days


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Specimen Requirements


Specimen

Serum, β-Carotene protected from light


Volume

Two aliquots: 0.8 mL each


Minimum Volume

Two aliquots: 0.4 mL each


Container

Vitamin A and Vitamin E samples can be shipped in red-top tube or gel-barrier tubes; Beta Carotene should be shipped in amber plastic transport tube with amber top. (If amber tubes are unavailable, cover standard transport tubes completely, top and bottom, with aluminum foil. Identify specimens with the patient's name directly on the containers AND on the outside of the aluminum foil. Secure with tape.) For amber plastic transport tube and amber top, order LabCorp item ID 23598.


Collection

If red-top tube is used, transfer separated serum to a plastic transport tube. Beta carotene should be shipped in amber plastic transport tube with amber top.


Storage Instructions

Room temperature. Beta Carotene should be light-protected.


Stability Requirements

Temperature

Period

Room temperature

7 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x6


Patient Preparation

Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. For those who are younger than six months, draw prior to next feeding. Blood should be collected before breakfast in the morning and prior to any medication.


Causes for Rejection

Beta Carotene specimen not protected from light; sample type other than serum received


Test Details


Use

Assess hyper-vitaminosis or vitamin deficiency. See individual test descriptions for more information.


Limitations

These tests were developed, and their performance characteristics determined, by LabCorp. They have not been cleared or approved by the US Food and Drug Administration (FDA).


Methodology

Beta Carotene: High-pressure liquid chromatography (HPLC); Vitamin A and E: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
144057 Vitamin A, E, Beta Carotene 001529 Carotene, Beta ug/dL 2053-7
144057 Vitamin A, E, Beta Carotene 142004 Vitamin A ug/dL 2923-1
144057 Vitamin A, E, Beta Carotene 070141 Vitamin E(Alpha Tocopherol) mg/L 1823-4
144057 Vitamin A, E, Beta Carotene 070142 Vitamin E(Gamma Tocopherol) mg/L 63370-1

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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2021, 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