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Vitamin E, Serum

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Updated Test Information:

Test Description
Vitamin E, Serum
Synonym(s)

Alpha Tocopherol, Tocopherol, UOW 3335
Test ID
VITEG
General Information

The concentration of vitamin E in serum/plasma is determined by heptane liquid-liquid extraction and liquid chromatography-tandem mass spectrometry. The reportable range is 11 - 30 mg/L with imprecision between 6.3 to 8.8 %CV.
Container Type

Preferred: 4 mL blood in Gold SST


Also Acceptable: 4 mL blood in Orange RST,  Lime, Red Top or Lavender Top Tube


Pediatric Draw: 1 Full Lime Green Microtainer
Specimen Type

Blood
Specimen Requirements

0.5 mL plasma/serum
Specimen Collection / Processing Instructions

PST, RST or Gold SST: centrifuge and refrigerate plasma/serum in original container
Lavender, orRed Top: centrifuge, remove plasma/serum from red cells and refrigerate
Minimum Sample Volume

0.3 mL plasma/serum
Stability

 Refrigerated, 7 days.
If samples can’t be analyzed within 7 days: aliquot serum/plasma from spun tube and store at -20C.
Department (code)

Chemistry, Harborview (CHH)
Testing Schedule

Tuesday, Thursday
Test Includes

Code              Name
VITE               Vitamin E (alpha Tocopherol)
VITEM           Vitamin E (alpha Tocopherol) Method
CPT Code(s)

84446
STAT Orderable (Y/N)

No
Performing Lab

UW
LOINC Code(s)