Test Details
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Result Turnaround Time
4 - 6 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Assess hyper-vitaminosis or vitamin deficiency. See individual test descriptions for more information.
Limitations
These tests were developed, and their performance characteristics determined, by LabCorp. They have not been cleared or approved by the US Food and Drug Administration (FDA).
Specimen Requirements
Specimen
Serum
Volume
0.8 mL
Minimum Volume
0.4 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
If red-top tube is used, transfer separated serum to a plastic transport tube.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 14 days |
Frozen | 14 days |
Freeze/thaw cycles | Stable x6 |
Storage Instructions
Room temperature
Patient Preparation
Patient should abstain from alcohol for 24 hours prior to collection. For those who are younger than six months, draw prior to next feeding. Blood should be collected before breakfast in the morning and prior to any medication.
Causes for Rejection
Sample type other than serum received
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 144039 | Vitamin A and E | 142004 | Vitamin A | ug/dL | 2923-1 | |
| 144039 | Vitamin A and E | 070141 | Vitamin E(Alpha Tocopherol) | mg/L | 1823-4 | |
| 144039 | Vitamin A and E | 070142 | Vitamin E(Gamma Tocopherol) | mg/L | 63370-1 | |
| Order Code | 144039 | |||||
| Order Code Name | Vitamin A and E | |||||
| Order Loinc | ||||||
| Result Code | 142004 | |||||
| Result Code Name | Vitamin A | |||||
| UofM | ug/dL | |||||
| Result LOINC | 2923-1 | |||||
| Order Code | 144039 | |||||
| Order Code Name | Vitamin A and E | |||||
| Order Loinc | ||||||
| Result Code | 070141 | |||||
| Result Code Name | Vitamin E(Alpha Tocopherol) | |||||
| UofM | mg/L | |||||
| Result LOINC | 1823-4 | |||||
| Order Code | 144039 | |||||
| Order Code Name | Vitamin A and E | |||||
| Order Loinc | ||||||
| Result Code | 070142 | |||||
| Result Code Name | Vitamin E(Gamma Tocopherol) | |||||
| UofM | mg/L | |||||
| Result LOINC | 63370-1 |