San Antonio, TX asked in Civil Litigation and Gov & Administrative Law for Texas

Q: Can cps change/alter the cut off levels of hair drug test results? Cut off levels for meth are 500. My level was 440?

And the test results it shows that the cut off level for that particular test was 300 for methamphetamine, causing me to yield a positive result. I have taken about seven hair follicle tests, and every other test has a 500 cut off for meth

1 Lawyer Answer
John Michael Frick
John Michael Frick
  • Frisco, TX
  • Licensed in Texas

A: No, CPS does not have the regulatory authority to change drug test cutoff levels.

But be aware that cutoff levels are often different for screening vs confirmation testing, with confirmation cutoff levels being lower due to the greater precision of the tests

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