Is a drug test valid after expiration date.?

Answer 1

If you mean drug testing device.....Every drug testing device indicates an expiration date. Once the device is expired, the performance cannot be guarantee the validity of the result.

If you mean drug test result........If the result is expired, it is of no use. You need to do the test again.

Answer 2

It maximum possibly did take place on your drug attempt, yet to no longer difficulty. The prescription being expired has easily no longer something to do with its validity. it continues to be your prescribed medicine and you proved that to them in the previous the attempt. attempt to no longer difficulty.