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Test Code
VITAE
Test Name
Vitamin E
CPT Codes
84446
Included Tests
  • Vitamin E (Alpha-Tocopherol)
  • Vitamin E (Gamma-Tocopherol)
Expected Turnaround Time
3 - 6 days
Clinical Utility

Evaluate vitamin E deficiency in hemolytic disease in premature infants, and neuromuscular disease in infants (and adults) with chronic cholestasis; evaluate patients on long-term parenteral nutrition; patients with malignancy or malabsorption (eg, patients with cystic fibrosis, cases of intestinal bypass surgery); investigate brown-bowel syndrome.
Specimen and Container Info

Specimen Type: Serum

  

Collection Container: Gold Top, Serum Separator or Red Top, Plain

Desired Specimen Volume: 0.8 mL
Collection Instructions
  1. Collect gold top, serum separator tube or red top, plain tube via venipuncture.  
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 0.8 mL of serum to a clear aliquot tube.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

 14 days

Refrigerated

14 days

Frozen

14 days

Freeze/Thaw Cycles

 Stable x6
Causes for Rejection

Sample type other than serum received
Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, daily
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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