These controls are used for internal quality control and serve to keep under control the accuracy and precision of the analytical procedures dedicated to the quantitative determination of the analytes contained therein. These controls are lyophilized in human matrix and are available in two different concentration range. They should be handled as if they were a patient sample itself.

Control for Biogenic Amines  in urine – Levels 1 and 2 (Hydroxyproline, Catecholamines, VMA, 5-HIAA, HVA, Normetanephrine, Metanephrine)   Control for Pyridinium Cross-Links in urine – Levels 1 and 2   Control for Serotonin in serum – Levels 1 and 2    Control for Serotonin in urine – Levels 1 and 2   Control for Catecholamines in plasma – Levels 1 and 2      Control for Oxalate/Citrates in urine – Levels 1 and 2   Control for ADMA, SDMA and Arginine in plasma – Levels 1 and 2    Control for Vitamines A/E in serum – Levels 1 and 2    Control for 25-OH-Vitamin D3 and D2  in plasma – Levels 1 and 2   LOT 18    LOT 19     LOT 20   Control for Vitamin C in plasma – Levels 1 and 2   Control for Vitamins B1/B2/B6 in whole blood – Levels 1 and  2 Control for Vitamins B1 and B6 in whole Blood – Levels 1 and 2   Control for differentiated Porphyrins in urine – Levels 1 and 2 (Uroporphyrin I, Hepta-, Hexa-, Pentacarboxyporphyrin I, Coproporphyrin I, III) Control for Zinoprotoporphyrin and Protoporphyrin IX  in whole Blood  – Levels 1 and 2  Control for Homocysteine in plasma – Levels 1 and 2    Control for Glutathione in whole blood – Levels 1 and  2   Control for Coenzyme Q10 in plasma – Levels 1 and  2    Control for 3-Methylindole in urine – Levels 1 and 2   Control for Indican in urine – Levels 1 and 2   Control for 3-Nitrotyrosine in plasma – Levels  1 and 2

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