Sunquest Code:CAROTE  
Epic Code:LAB702Epic Name:Carotene
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-3 days.

Collection Instructions

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


Reference Range:60-200 ug/dL

Carotenoid concentrations may be decreased due to:

·          inadequate dietary fat consumption

·          intestinal parasitic infection or other malabsorption disorders

·          interactions from drugs such as ethanol, cholestyramine, weight-loss drugs and fiber supplements, and

·          kidney, liver or pancreatic deficiency


Carotenoid concentrations may be elevated due to hypothyroidism, hyperlipemia due to diabetes mellitus, myxedema, chronic nephritis, or vitamin supplementation.


Carotenoid testing is useful in evaluating vitamin A status, antioxidant levels and overall nutrition.


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