Vitamin A and E
Use
Assess hyper-vitaminosis or vitamin deficiency. See individual test descriptions for more information.
Special Instructions
Patient should abstain from alcohol for 24 hours prior to collection. For children younger than six months, blood should be drawn before the next feeding. Blood collections should occur before breakfast and prior to any medication to ensure accurate results. If a red-top tube is used, the serum should be transferred to a plastic transport tube to maintain sample integrity.
Limitations
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the FDA, implying limitations in the context of regulatory oversight. The results should be interpreted in conjunction with other clinical information and laboratory studies. Results could vary depending on patient preparation and sample handling.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 1823-4
- 2923-1
- 63370-1
- 2923-1
- 1823-4
- 63370-1
Result Turnaround Time
4-6 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.8 mL
Minimum Volume
0.4 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
If a red-top tube is used, transfer separated serum to a plastic transport tube.
Patient Preparation
Patient should abstain from alcohol for 24 hours prior to collection. For those younger than six months, draw prior to next feeding. Blood should be collected before breakfast in the morning and prior to any medication.
Storage Instructions
Room temperature
Causes for Rejection
Sample type other than serum received
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 14 days |