Beta-Carotene
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Carotene, Serum
Test ID: CAROQST S
Test
Aliases/Synonyms
Method
High Performance Liquid Chromatography (HPLC)
Report Includes
Carotene
Specimens
Serum
Clinical Utility
Beta Carotene, a fat soluble nutrient, is a precursor to vitamin A. Deficiencies may lead to vitamin A deficiency. Excessive vitamin A intake may lead to headaches, loss of appetite, nausea and diarrhea, skin changes, and potential birth defects.
Test Location
Quest Diagnostics, California USA
Test Version
10-Feb-2023
Specimen
Specimens
Serum
Collection Containers
Gold top (clot activator & gel)
Sample Volume
2 mL
Minimum Volume
0.7 mL
Patient Preparation
Overnight fast is required. Avoid vitamin supplementation for 24 hours prior to collection.
Collection & Handling
Handling Information
Separate from cells as soon as possible after clotting.
Store and submit specimen protected from light in an amber vial.
Store and send frozen.
Additional Information
Store and send frozen.
Stability
| Ambient | 72 hours |
|---|---|
| Refrigerated | 7 days |
| Frozen | 30 days |
Rejection Criteria
| Specimen | Plasma; Room Temperature or Not Protected from light |
|---|
Test Version
10-Feb-2023
Performance / Interpretation
Method
High Performance Liquid Chromatography (HPLC)
Turnaround Time
7 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Carotene | mcg/dL |
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Vitamin supplementation within 24 hours prior to blood
draw may affect the accuracy of results.
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Test Location
Quest Diagnostics, California USA
Test Version
10-Feb-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| CAROQST S | 64795CAROTENE | mcg/dL |
Test Version
10-Feb-2023