VITAMIN E, SERUM

Message
Test is currently being sent out to Quest for testing. Please test code 931 for testing information.


Test Code
LAB130


CPT Codes
84446

Preferred Specimen
Adult: One red top tube
Pediatric: 2 red top microtainers


Patient Preparation
Fasting preferred (12-14 hours)

Minimum Volume
0.5 mL Serum


Instructions
Sample must be: (1) Centrifuged within 2 hours of collection, (2) Serum removed and (3) Refrigerated.


Transport Temperature
Refrigerated


Specimen Stability
Refrigeration preferred -stable 14 days
Frozen allowed - stable 14 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, moderate and grossly lipemic


Methodology
Liquid chromatography/tandem mass spectrometry using a Laboratory Developed test (LDT)

Setup Schedule
Tuesday and Friday


Reference Range
5.0-18.0 mg/L
Significant Deficiency: < 3.0 mg/L
Significant Excess: > 40.0 mg/L


Clinical Significance
Evaluating individuals with motor and sensory neuropathies. Monitoring vitamin E status of premature infants requiring oxygenation.
Evaluating persons with intestinal malabsorption of lipids.


Performing Laboratory
West Virginia University Hospital, Inc.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.