Vitamin E
Test Mnemonic
EVIT
CPT Codes
- 84446 - QTY (1)
Aliases
- Alpha Tocopherol
- Beta Gamma Tocopherol
- Tocopherol
- Vitamin E
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Plasma | EDTA (Lavender) | Frozen | Protect from direct sunlight exposure. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Frozen | Protect from direct sunlight exposure. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.7 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 24 hours |
| Refrigerated | 1 week |
| Frozen | 1 year |
Days Performed
3 days per week
Turnaround Time
1 - 6 days
Methodology
| Name | Description |
|---|---|
| High Performance Liquid Chromatography (HPLC) |
Reference Range
| Vitamin E-alpha | |||||
|---|---|---|---|---|---|
| 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 | 23 Months | Normal | 3.5-8.0 | mg/L | 2 Years | 12 Years | Normal | 5.5-9.0 | mg/L | 13 Years | 99 Years | Normal | 6.0-23.0 | mg/L |
| Vitamin E-gamma | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 0.3-3.2 | mg/L |
Special Info
Patient Preparation : Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection.
Clinical Info
Assessment of Vitamin E deficiency, nutritional assessment of TPN patients