Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 310. Oklahoma State Department of Health |
Chapter 638. Drug and Alcohol Testing |
Subchapter 1. General Provisions |
SECTION 310:638-1-6.1. Hair cutoff levels for initial drug screening tests
Latest version.
- (a) The following initial cutoff levels shall be used when screening hair specimens to determine whether they are negative for these drugs or their metabolites:(1) marijuana: 10pg/10 mg of hair(2) cocaine: 5 ng/10 mg of hair(3) opiates and metabolites: 5 ng/10 mg of hair; opiates and metabolites include the following:(A) codeine;(B) heroin;(C) morphine;(4) phencyclidine: 3 ng/10 mg of hair(5) amphetamines: 5 ng/10 mg of hair; amphetamines include the following:(A) amphetamines;(B) methamphetamines.(b) These test levels are subject to change by the Department as advances in technology or other considerations warrant identification of these substances at other concentrations.(c) Drugs other than those listed shall be tested by scientifically established methods at scientifically established detection levels.