Product Code: LLutein
Process time: 5 to 7 business days
Process method: The methodology is by HPLC
CPT code: 82491
Special instructions: None
Rejection causes: Gross Hemolysis
Patient prep: None
Specimen volume: 1 mL serum; light protected
Minimum volume: 0.2 mL
Collection container: SST or red-stopper tube
Transport container: Amber plastic transport tube
Transport instructions: Refrigerate or freeze
Collection instructions: Click here for PDF
Normal values: 7 to 28 ug/dL.
Reference one: Khachik, F, et al. Identification of lutein and zeaxanthin oxidation products in human and monkey retinas. Invest Opthalmol. 1997, 38(9): 1802-1811.
Reference two: Snodderly, D. Evidence for protection against age-related macular degeneration by carotenoids and antioxidant vitamins. American Journal of Clinical Nutrition. 1995, 62:1448-1461.
Reference three: Le Marchant, I., et al. Intake of specific carotenoids and lung cancer risk. Cancer Epidemiology. 1993, 2:183-187.
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