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Vitamin B6 (Pyridoxine)
    Close Vitamin B6 (Pyridoxine)

    Vitamin B6 (Pyridoxine)

    Product Code: LVB6

    Price: $116.00

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    Test Description

    Vitamin B6 (Pyridoxine)

    Vitamin B6 is also called pyridoxine and erythrocyte AST/EGOT. There are three natural forms: pyridoxine (pyridoxal), pyridoxamine and pyridoxal. B6 is necessary for protein metabolism; conversion of linoleic acid to arachidonic acid; glycogen breakdown; the synthesis of brain neurotransmitters, niacin, antibodies, RBCs, DNA and elastin; and glycogen synthesis. Decreased levels lead to poor wound healing, depression, skin problems, anemia, fatigue, convulsive seizures, stunted growth, erratic blood glucose levels.

    B6 is found in soybeans, oysters, meat, chicken, tuna, lima beans, avocado, walnuts, peanuts, and salmon.

    The RDA for B6 is 1.7 mg. A suggested supplemental level is 2 to 100 mg.

    Specimen is 2.0 mL of 3-time washed heparinized RBCs. Collect the sample in a heparin tube. Centrifuge the tube, then wash the RBCs 3 times with normal saline. Protect from light and ship in amber plastic tube.

    Doctors who wish to order kits, please call our lab directly to set up an account before ordering. 316-684-7784

    Test Details

    Process time: 5 to 7 business days

    CPT code: 84207

    Special instructions: None

    Rejection causes: Gross Hemolysis

    Collection Instructions

    Patient prep: None

    Specimen volume: 1 mL Heparin RBC, washed 3x; light protected

    Minimum volume: 0.2 mL

    Collection container: Heparin tube

    Transport container: Amber plastic transport tube

    Transport instructions: Freeze


    Normal values: The normal value established in our laboratory for B6 is 42% to 89% saturation.


    Reference one: Bayoumi, RA, Rosalki, SB.: Evaluation of methods of coenzyme activation of erythrocyte enzymes for detection of deficiency vitamins B1, B2, and B6. Clinical Chemistry, vol. 22:3;327-335, 1976

    Reference two: Coburn, SP.: A critical review of minimal vitamin B6 requirements for growth in various species with a proposed method of calculation. Vitam. Horm., 48:259-300, 1994.

    Reference three: Sampson DA, OÆConner DK. : Analysis of B6 vitamers and pyridoxic acid in plasma, tissues and urine using HPLC. Nutr. Res. 9:259-263, 1989.

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