Ordering Recommendation

Use for nutritional assessment of vitamin E (alpha- and gamma-tocopherols).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection.

Collect

Green (sodium or lithium heparin) or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation

Separate serum or plasma from cells within 1 hour of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL) Avoid hemolysis.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Whole blood or body fluids other than serum or plasma.

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen at -20°C: 1 year

Methodology

Quantitative High Performance Liquid Chromatography (HPLC)

Performed

Sun-Sat

Reported

1-4 days

Reference Interval

Test Number
Components
Reference Interval
  Vitamin E (Alpha-Tocopherol)
Age
Reference Interval
0-1 month
2-5 months
6 months-1 year
2-12 years
13 years and older
1.0-3.5 mg/L
2.0-6.0 mg/L
3.5-8.0 mg/L
5.5-9.0 mg/L
5.5-18.0 mg/L

  Vitamin E (Gamma-Tocopherol)  0-6.0 mg/L

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

84446

Components

Component Test Code* Component Chart Name LOINC
0080390 Vitamin E (Alpha-Tocopherol) 1823-4
0080393 Vitamin E (Gamma-Tocopherol) 11038-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Alpha-Tocopherol
  • E, Vitamin
  • Gamma-Tocopherol
  • Tocopherol
Vitamin E, Serum or Plasma