Test of Vitamin A D E
| Test Code | VT |
|---|---|
| Test Summary | Detecting Vitamin A D E by tandem mass spectrometry. |
| Turn Around Time | 4 days |
| Acceptable Sample Types | Dried Blood Spots |
| NY Approved | No |
| Accreditations | EQA |
*TAT starts after the sample and all required sample information is received at the processing laboratory.
**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.
This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.
This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
This test is not available in your region Japan, please select your nearest laboratory to request more information.
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Test Code:
VT
Test Description
Use MSMS to analyze Vitamin A, total 25(OH)D, 25(OH)D2, 25(OH)D3, Vitamin E. Test of Vitamin A D E can assist in the diagnosis of vitamin A, D and E deficiency, guiding clinical medication and dietary supplementation and evaluating the therapeutic effect.
Indications for Testing
- Children.
- Pregnant women.
- Elderly people.
- Perimenopausal women.
- Adults who are suspected of vitamin D deficiency.
Test Methods and Limitations
Tandem mass spectrometry analysis can be coupled with liquid chromatography, a technique referred to as LC-MS/MS. In this methodology, chromatography is used to separate analytes of interest prior to measurement by the mass spectrometer. This separation reduces interference from matrix components and can also allow for the measurement of analytes that have the same mass (isobaric species), thereby improving analytical specificity compared to MS/MS.
Detailed Sample Requirements
Dried Blood Spots
| Collection Container(s) | Dried blood spot card |
|---|---|
| Collection | Follow kit instructions. Briefly, allow blood to saturate the card until indicated areas are filled and blood has soaked through the card. Air dry the card at ambient temperature for at least 3 hours.
|
| Sample Condition | Follow the instructions provided with the collection set. Store the dried blood at ambient temperature for up to two days. If the specimen cannot be sent as soon as it is dry, the filter paper should be placed in a sealable plastic bag and stored in a refrigerator (≤ 8°C) or preferably in a freezer. |
| Shipping | Follow kit instructions. Double bag and ship overnight at ambient temperature. |