SECTION 310:638-5-10. Proficiency testing

(a)   Enrollment and performance.

(1)   Each drug screening and/or confirmation testing facility shall enroll and demonstrate satisfactory performance in a Department approved proficiency testing program established by an independent group which contains those drugs and metabolites for which urine, hair, or saliva is routinely screened.

(2)   The drug testing facility shall satisfactorily perform in one proficiency testing event prior to initial licensure and demonstrate continued satisfactory performance to maintain licensure.

(3)   The drug testing facility shall authorize the proficiency testing service to send results to the Oklahoma State Department of Health for review. The drug testing facility shall maintain records which shall document the handling, processing and examination of all proficiency testing samples for a minimum of two (2) years from the date of testing.

(4)   The drug testing facility shall ensure that proficiency testing samples are analyzed at least three (3) times each year using the same techniques as those employed for screening unknown specimens.

(5)   The proficiency testing samples shall be included with the routine sample run and tested with the same frequency as unknown samples by the individuals responsible for testing unknown specimens.

(6)   The drug testing facility shall not engage in discussions or communications concerning proficiency testing results with other drug testing facilities nor shall they send proficiency testing samples or portions of the samples to another drug testing facility for analysis.

(b)   Satisfactory performance.

(1)   The drug testing facility shall maintain an overall testing event score of at least eighty (80) percent for proficiency testing performance to be considered satisfactory.

(2)   Failure to participate in a proficiency testing event shall result in a score of zero (0) percent for the testing event.

(c)   Unsuccessful performance. Failure to achieve satisfactory performance in two (2) consecutive testing events, or two (2) out of three (3) consecutive testing events, shall be determined to be unsuccessful performance.

[Source: Added at 11 Ok Reg 4339, eff 7-14-94 (emergency); Added at 12 Ok Reg 517, eff 12-12-94 (emergency); Added at 12 Ok Reg 3069, eff 7-27-95; Amended at 17 Ok Reg 381, eff 11-1-99 (emergency); Amended at 17 Ok Reg 2045, eff 6-12-00; Amended at 24 Ok Reg 1183, eff 4-2-07 (emergency); Amended at 25 Ok Reg 2436, eff 7-11-08]