Carotene
| Sunquest Code: | CAROTE | ||
| Epic Code: | LAB702 | Epic Name: | Carotene |
| Methodology: | Spectrophotometric | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Sat, and testing is performed Monday, Thursday and Saturday; results are reported within 1-4 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 6 mL |
| Minimum\Peds Volume: | 1.4 mL |
| Container: | Red or gold (gel) protect from light, Red (no gel) protect from light |
| Collection Instructions: | Protect from light immediately after collection. |
| Causes for Rejection: | Any specimen other than serum; refrigerated or room temperature specimens, specimens not protected from light, hemolyzed or icteric specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot within 1 hour of collection 3 mL, 0.6 mL minimum. Protect from light. Store in freezer. |
| Shipping Instructions: | Ship on dry ice. |
| Stability: | 4 hours refrigerated; 1 month frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 80055 |
Interpretive
| Reference Range: | 60-200 ug/dL |
| Use: | Carotenoid concentrations may be decreased due to:
Carotenoid concentrations may be elevated due to hypothyroidism, hyperlipemia due to diabetes mellitus, myxedema, or chronic nephritis or vitamin supplementation. Carotenoid testing is useful in evaluating vitamin A status, antioxidant levels and overall nutrition. |
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