Drug Testing Laws in Idaho

State law (Idaho): The Act sets voluntary testing guidelines rather than obligations Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026. What an employer gets for following them is protection: no cause of action arises in favour of any person against it for failure to test or for terminating a testing programme, and a rebuttable presumption that the test result was valid where it complied with the procedures Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

State law (Idaho): The written policy must be consistent with the Act, state that violation may result in termination due to misconduct, list the testing types an employee may be subject to — baseline, pre-employment, post-accident, random, return to duty, follow-up and reasonable suspicion — be communicated to affected employees, and be available for review by prospective employees Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

Employer policy: Note that the presumption is rebuttable, not conclusive. Compliance makes the employer's result hard to attack, not impossible — and the retest route below is the designed way to attack it.

State law (Idaho): Confirmatory testing is mandatory and is defined as a second or additional test of the SAME sample Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026 — which is what makes the retest right workable.

State law (Idaho): For alcohol the procedure is specified: a breath confirmation no earlier than fifteen minutes after the initial test, and a positive alcohol saliva test requires a confirmatory test using a different testing methodology Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026. The alcohol standard is not less than .02 BAC, but greater than the level specified in the employer's substance abuse policy Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

State law (Idaho): On a positive you must be given written notice, and an opportunity to discuss and explain the result with a medical review officer or other qualified person Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

State law (Idaho): Then the retest, and the deadline is firm: within SEVEN WORKING DAYS from the date of the first confirmed positive notification you may request that the same sample be retested by a mutually agreed laboratory Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026. You may have to pay for it up front Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

State law (Idaho): And if it comes back negative, the consequences run the other way. The employer reimburses the cost of the retest, compensates you for your time if you were suspended without pay, and if you were terminated solely because of the positive test, you shall be reinstated with back pay Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

That is a genuine remedy rather than a gesture, and it is the reason the seven working days matter more in Idaho than a deadline usually does.

State law (Idaho): The unemployment consequence is explicit and it is the sharpest edge for employees. A positive result under a complying programme constitutes misconduct under the employment security law, resulting in denial of unemployment benefits, and an employer may use results as the basis for disciplinary or refusal-to-hire action that will make a claimant ineligible for benefits Source 1State legislatureIdaho Employer Alcohol and Drug-Free Workplace Act (Title 72, ch. 17) — checked 18 Aug 2026.

So Idaho pairs a real retest remedy with a real benefits penalty. Both halves are in the same Act, and which one applies to you turns on whether you used the seven working days.

Federal (DOT): A DOT-regulated test runs on federal rules with its own split-specimen process. Idaho's seven-working-day retest and its reinstatement remedy are creatures of state law and do not attach to a federal test result.