If a line does not appear next to the control then you must presume the test as invalid and try a new icup drug test.
Icup drug test how to read.
Reading an icup drug test as with all drug testing products it is necessary for a line to be present in the control region c.
If this control line is not present the test is invalid.
For the most accurate results the temperature of a drug test sample should be read during the first 4 minutes after it was received as the sample temperature may change depending on the ambient environment.
As stated above the normal temperature of human urine ranges from 94 f to 96 f about 35 c.
This negative result indicates that the drug concentration is below the detectable level.
No matter what the configurations you are testing for the results panel should be displaying a line next to the letter c which stands for control to tell you the test is running fine.
How to read the icup drug test results test results.
The control region is at the top of the icup testing window.