VITAMIN E (TOCOPHEROL)

Components
alpha-Tocopherol

Specimen Required
Patient Preparation: Patient should fast overnight (12-14 hours).
Infants - draw prior to next feeding.
Draw blood in a plain red-top tube and protect from light while tube clots. Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum (0.5 mL minimum) frozen in an amber screw-capped plastic vial. PROTECT FROM LIGHT IMMEDIATELY AFTER COLLECTION. CRITICAL FROZEN.

Alternate Specimen
Serum: SST

Rejection Criteria
Specimen not protected from light

Methodology
High Performance Liquid Chromatography

Stability
Room Temperature: Unacceptable; Refrigerate: Unacceptable; Frozen: 2 months

Reference Range
500-1800 µg/dL (Alpha-Tocopherol)

Performed
Setup: Monday, Wednesday, Friday
Reported: 1-3 days

Turnaround Time3-4 days
Test CodeVITE
CPT-4 Code (s)
84446
LOINC Codes
1823-4

Warde
Medical
Laboratory