If this control line is not present the test is invalid.
Negative icup drug test.
Effect of urinary ph.
This negative result indicates that the drug concentration is below the detectable level.
Sending the original specimen in the icup avoids the need to split or pour the specimen into another container saving time and avoiding additional handling of the specimen.
Icup drug testing information when using icup urine test cups for drug urinalysis make sure to have a supply of icup external controls.
Any indication of a line even faint is a negative result.
A drug test is negative no matter how strong or faint the line is remember a line is still a line.
The ph of an aliquoted negative urine pool was adjusted to a ph range of 5 to 9 in 1 ph unit increments and spiked with drugs at 50 below and 50 above cut off levels.
Without a control line the test is not working and thus not valid.
One red line should be in the control region c and another apparent red or pink line adjacent should be in the test region t.
To settle any confusion try performing another test.
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.
The spiked ph adjusted urine was tested with the one step multi drug screen test card with the integrated icup icup a d.
Send the icup 8 panel urine drug test and specimen to a laboratory to confirm non negative results.
How to read the icup drug test results test results.