Use From the collected urine sample, drop about 0.2 ml on the test plate and read the result. Try other products of the Biogema brand, which you can find in the categories Drug tests, Medical equipment and Diagnostic tests. The Biogema cocaine test for the determination of drug strength is registered in the ŠUKL database under the code P81407. If you are not sure about the choice of this product, get inspired in the Drug tests category.