Vitamin E, Serum or Plasma
Test Mnemonic
EVIT
CPT Codes
- 84446 - QTY (1)
Aliases
- Alpha Tocopherol
- Tocopherol
- Vitamin E
- Gamma Tocopherol
Includes
- Vitamin E (Alpha-Tocopherol)
- Vitamin E (Gamma-Tocopherol)
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Sodium heparin PST [Lt. Green] | Refrigerated | Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate serum from cells within 1 hour of collection and transfer to standard aliquot tube. | |
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Refrigerated | Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube. | |
| 1 mL | Plasma | EDTA (Lavender) | Refrigerated | Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: Unacceptable |
| Refrigerated | After separation from cells: 1 month |
| Frozen | After separation from cells: 1 year |
Days Performed
Sun - Sat
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| High Performance Liquid Chromatography (HPLC) |
Reference Range
| Vitamin E (Alpha-Tocopherol) | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Months | 1 Months | Normal | 1.0 - 3.5 | mg/L | 2 Months | 5 Months | Normal | 2.0 - 6.0 | mg/L | 6 Months | 1 Years | Normal | 3.5 - 8.0 | mg/L | 2 Years | 12 Years | Normal | 5.5 - 9.0 | mg/L | 13 Years | 99 Years | Normal | 5.5 - 18.0 | mg/L |
| Vitamin E (Gamma-Tocopherol) | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 0 - 6.0 | mg/L |
Special Info
Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Avoid hemolysis. This test is New York state approved.
Clinical Info
This test may be useful for nutritional assessment of vitamin E (alpha- and gamma-tocopherols).