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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 310. Oklahoma State Department of Health |
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Chapter 638. Drug and Alcohol Testing |
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Subchapter 1. General Provisions |
SECTION 310:638-1-7.2. Cutoff levels for drug confirmation testing in saliva
Latest version.
- (a) All specimens identified as positive on the initial test shall be confirmed using gas chromatography/mass spectrometry (GC/MS), or an equivalent accepted method of equal or greater accuracy as approved by the Commissioner of Health. The manufacturer of the saliva test system shall establish confirmation cutoff levels to be used when confirming saliva specimens that screen positive. Such cutoffs shall be consistently applied for all saliva testing using that test system. All confirmations shall be by quantitative analysis. Concentrations which exceed the linear region of the standard curve shall be documented in the testing facility record as "greater than the highest standard curve value."(b) All confirmation testing on saliva shall be performed on the same specimen that was identified as positive on the initial screen.