Rapid test for the semi-quantitative detection of 25-hydroxyvitamin D in human whole blood. For professional in-vitro diagnostic use only
Vitamin D belongs to a group of fat-soluble secosteroids responsible for increasing the intestinal absorption of calcium, iron, magnesium, phosphate and zinc. In humans, the most important compounds in this group are vitamin D3 and vitamin D2.
Vitamin D is transported to the liver, where it is metabolized to 25-hydroxyvitamin D. The blood test for 25-hydroxyvitamin D is used to determine the concentration of vitamin D in the body. Blood concentration of 25-hydroxyvitamin D (which includes D2 and D3) is considered the best indicator of the level of vitamin D in the body.
Benefit of the test
Easy to use
Results in 10 minutes
Rapid support to healthcare personnel
WHO IS THIS TEST FOR?
VITAMIN D RAPID TEST is a rapid chromatographic immunoassay that offers a preliminary diagnostic result and can be used to screen for vitamin D deficiency, which today is recognized as a worldwide epidemic.
Virtually every cell in our body has vitamin D receptors: this means that they all need a “sufficient” level of vitamin D to function properly. Health risks associated with vitamin D deficiency are much more serious than previously thought. Vitamin D deficiency has been linked to several serious diseases: osteoporosis, osteomalacia, multiple sclerosis, cardiovascular diseases, complications during pregnancy, diabetes, depression, stroke, autoimmune diseases, influenza, various types of cancer, infectious diseases, Alzheimer’s, obesity and higher mortality levels, etc. Therefore, today detecting the level of (25-OH) vitamin D is considered as a “medically necessary screening test”, and maintaining sufficient levels of this vitamin does not only improve bone health, but also health and well-being overall.
VITAMIN D RAPID TEST is an immunoassay based on the principle of competitive protein binding. During testing, the mixture chromatographically migrates upward on the membrane by capillary action. The membrane is pre-coated with 25 (OH) D antigens on the test line region of the strip. During testing, the 25 (OH) D present in the sample competes with the 25 (OH) D on the test line for limited amounts of anti-25 OH vitamin D antibodies in the conjugate.
rapid immunochromatographic lateral-flow assay
Results reading time
whole blood, serum and plasma
Cut-off di 30 ± 4ng/m
20 test cassettes
1 vial with dropper containing the diluent
20 pipettes for blood sampling
1 comparative card
instructions for use
Draw a blood sample using the sterile lancet provided;
Collect the sample indicated by the black line, using the capillary pipette provided;
Deposit the collected sample inside the well (S) indicated on the cassette;
Add 2 drops of diluent and wait 10 minutes before reading the result, comparing the lines obtained with the card provided.
Excessive (> 100 ng/mL)
no clear lines appear on the test line region (T).
Sufficient (30-100 ng/mL)
the intensity of the test line (T) is equal to or less than that of the 30 ng/mL displayed on the color card.
Insufficient (30-10 ng/mL)
the intensity of the test line (T) is darker than the 30 ng/mL line and lighter than the 10 ng/mL line displayed on the color card.
Deficit (0-10 ng/mL)
the intensity of the test line (T) is equal to or darker than the 10 ng/ mL line displayed on the color card.
1. Holick MF (March 2006). „High prevalence of vitamin D inadequacy and implications for health.“ Mayo Clinic Proceedings. 81 (3): 353–73
2. Eriksen EF, Glerup H (2002). Vitamin D deficiency and aging: implications for general health and osteoporosis. Biogerontology. 3 (1-2): 73-7
3. Grant WB, Holick MF (June 2005). Benefits and requirements of vitamin D for optimal health: a review. Alternative Medicine Review.10 (2): 94-111
4. Moyad MA. Vitamin D: a rapid review. DermatolNurs. 2009, 21:25-30
The test has been carried out correctly when the instructions for use are followed. It includes the reading time and the interpretation of the results shown at the "RESULTS INTERPRETATION" section of the instructions for use.
A colored line will appear at the control region (C) on the test device, showing that the test performed correctly. The absence of the colored line suggests to repeat the test with a new device and a new sample.
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