Vitamin E (alpha Tocopherol)
General Information
- Lab Name
- Vitamin E (alpha Tocopherol)
- Lab Code
- VITEG
- Epic Name
- Vitamin E (alpha Tocopherol)
- Description
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.
- Synonyms
- Alpha Tocopherol, Tocopherol
- Components
-
Code Name VITE Vitamin E (alpha Tocopherol) VITEM Vitamin E (alpha Tocopherol) Method
Interpretation
- Reference Range
- See individual components
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
All Locations:
Preferred: 4 mL blood in GOLD SST tube
Also Acceptable: 4 mL blood in ORANGE RST, GOLD SST, LIME, RED TOP or LAVENDER TOP tube
Pediatric Draw: 1 Full LIME GREEN MICROTAINER
- Quantity
-
Requested: 0.5 mL plasma/serum
Minimum: 0.3 mL plasma/serum
Processing
- Receiving Instructions
PST, RST or GOLD SST: centrifuge and refrigerate plasma/serum in original container LAVENDER, or
RED top: centrifuge, remove plasma/serum from red cells and refrigerate
Stability: refrigerated, 7 days.
If samples can’t be analyzed within 7 days: aliquot serum/plasma from spun tube and store at -20C.
NOTE: VITA, VITD and VITE can be run on same aliquot
HMC VITAG and/or VITEG shared sample: place specimen in VITAG/VITEG refrigerated rack.
- Misc Sendout
Performance
- Lab Department
- Chemistry, Harborview(CHH)
- Frequency
- Tuesday, Thursday results same day
- Available STAT?
- No
- Performing Location(s)
Billing & Coding
- CPT Codes
- 84446
- LOINC
- 1823-4
- Interfaced Order Code
- UOW3335