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Test Code VITAE Vitamin A and Vitamin E, Serum

Reporting Name

Vitamin A and Vitamin E, S

Useful For

Diagnosing vitamin A deficiency and toxicity

 

Evaluating persons with intestinal malabsorption of lipids

 

Monitoring of Vitamin E supplementation/treatment

Method Name

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Shipping Instructions


Ship specimen in amber vial to protect from light.



Specimen Required


Patient Preparation:

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

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

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


Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Specimen Minimum Volume

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

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

Day(s) Performed

Sunday through Friday

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

Secondary ID

605267

Profile Information

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

Report Available

2 to 5 days