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Test Code VITAESO Vitamin A and Vitamin E, Serum

Additional Codes

Mayo Test Code: VITAE


Shipping Instructions


Ship specimen in amber vial to protect from light.



Specimen Required


Patient Preparation:

1. Fasting: 12 hours, required; infants should have specimen collected before next feeding.

2. Patient must not consume any alcohol for 24 hours before specimen collection.

Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Amber vial

Specimen Volume: 1 mL serum

Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a light protected plastic vial.


Useful For

Assessment of vitamin A and vitamin E status

 

Monitoring vitamin A and vitamin E therapy

 

Evaluating individuals with intestinal malabsorption of lipids

Profile Information

Test ID Reporting Name Available Separately Always Performed
VITAP Vitamin A, S Yes, (Order VITA) Yes
VITE Vitamin E, S Yes Yes

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Vitamin A and Vitamin E, S

Specimen Type

Serum

Specimen Minimum Volume

Serum: 0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days LIGHT PROTECTED
  Frozen  28 days LIGHT PROTECTED
  Ambient  7 days LIGHT PROTECTED

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

VITAMIN A (RETINOL)

0-6 years: 11.3-64.7 mcg/dL

7-12 years: 12.8-81.2 mcg/dL

13-17 years: 14.4-97.7 mcg/dL

≥18 years: 32.5-78.0 mcg/dL

 

VITAMIN E (ALPHA-TOCOPHEROL)

0-17 years: 3.8-18.4 mg/L

≥18 years: 5.5-17.0 mg/L

Cautions

Acute alcohol ingestion may result in increased serum vitamin A levels. Patients should abstain from alcohol for 24 hours prior to collection.

 

Testing of nonfasting specimens or the use of vitamin supplementation can result in elevated serum vitamin concentrations. Reference values were established in patients who were fasting.

Day(s) Performed

Monday through Friday, Sunday

Report Available

2 to 5 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84446

84590

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VITAE Vitamin A and Vitamin E, S 96600-2

 

Result ID Test Result Name Result LOINC Value
2350 A-Tocopherol, Vitamin E 1823-4
605124 Vitamin A 2923-1