Vitamin E


Sunquest Code:VITAE  
Epic Code:LAB130Epic Name:Vitamin E
Synonyms:Tocopherol, Serum
Methodology:High performance liquid chromatography
CPT Code:84446
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-4 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel))
Patient Preparation:Fast overnight (12 hours) and avoid alcohol for 1 day prior to collection.
Causes for Rejection:Whole blood or body fluids other than serum or plasma. Room temperature specimens.


Processing and Shipping

Specimen Processing:Within 1 hour of collection, centrifuge and aliquot 1 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:80521


Interpretive

Reference Range:

Vitamin E (Alpha-tocopherol)

mg/L

0-1 mo

1.0-3.5

2-5 mo

2.0-6.0

6 mo – 1 y

3.5-8.0

2-12 y

5.5-9.0

13 y and older

5.5-18.0

Vitamin E (Gamma tocopherol)

0-6.0

 

 

Use:Rule out vitamin E deficiency. To establish adequacy of dosage when high serum levels are desired in treatment protocols.


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