Who is the test for?
For individuals to determine their blood ferritin concentration is within the normal range or below the established norm.
How to use
- Prepare the test device, the pipette and the diluent dropper vial. Take them out from the protective pouch (tear at the notch. Remove the screw cap of the diluent dropper vial and leave it nearby).
- Clean the tip of the middle finger or ring finger with cotton wool moistened with alcohol. Press the lancet firmly against the side of the previously cleaned finger and press the release button.
- Without pressing the bulb, put in contact the plastic pipette with the blood sample. The whole blood migrates into the pipette through capillarity to the line indicated on the pipette.
- Dispense the blood into the sample well of the cassette, pressing down on the bulb of the pipette. Wait 30-40 seconds for blood absorption. Unscrew the blue cap from the dropper bottle, keeping the white cap secure. Add 4 drops of diluent to the well, spacing each drop 2-3 seconds apart. Read the result after 10 minutes. Do not interpretafter 15 minutes.
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Results and recommendations
Analyze
Result
Summery
Only one coloured line appears under the mark C (Control). This result means that the ferritin concentration in blood is too low. Reserves are insufficient. You should consult a doctor because you may suffer of iron deficiency.
Two coloured lines appear in the window under the marks T (Test) and C (Control). The intensity of the line T may be clearer that theintensity of the line C. This result means that the ferritin concentration in blood is normal and that there is no potential iron deficiency
No line appears or a coloured line appears under the mark T (Test) without any line under the mark C. In this case, it is not possible to interpret the test, which must be considered as invalid. It is recommended to repeat the test with a new FERRI-Check® device and a new blood sample.
Questions and answers
FERRI-Check® test uses a couple of antibodies detecting specifically ferritin by producing a coloured test line under the T mark of the cassette. A control line capturing the reagent excess appears as a coloured line under the C mark of the cassette. In case only one line appears under the C mark, the test indicates that the level of ferritin is lower than normal (20 ng/mL determined against W.H.O.* reference).
*World Health Organisation
FERRI-Check® test should be performed in case of symptoms like paleness,feeling tired, headaches, faster heartbeat or shortness of breath duringexercise mainly when pregnant or in case of copious periods.
The test can be performed at any time of the day but must not beperformed in case of diseases, acute inflammations or in case of spleenor liver injury. Positive results could be obtained even in case of no irondeficiency situation.
The results are accurate as long as the instructions are carefully respected.Nevertheless, the results can be incorrect if FERRI-Check® test gets wetbefore test performing or if the quantity of blood dispensed in the samplewell is not correct. The plastic pipette provided in the box makes sure thecollected blood volume is correct.
The colour and intensity of the lines have no importance for resultinterpretation. The lines should only be homogeneous and complete. Thetest should be considered as negative regardless the colour intensity of thetest line (T), even weak.
When this line appears, it only means that the test has been performed well.
No. The result should be read within 10 minutes after adding the diluent.The result is reliable up to 15 minutes.
If the result is positive, it means that the ferritin level in blood is lower thanthe norm (20 ng/mL) and that you should consult a doctor to show the testresult. Then, the doctor will decide whether additional analysis should beperformed.
If the result is negative, it means that the ferritin level is higher than 20ng/mL and is within the norm. However, if the symptoms persist, it isrecommended to consult a doctor.
The FERRI-Check® test is accurate and has been used for more than 10 years by professionals in the field. Evaluation reports show an overall agreement higher than 98% [92.58 – 100**] with reference methods. Although this test is reliable, false positive or false negative results could be obtained.
**CI 95%: 95% Confidence Interval.