Does a Failed Drug Test Show Up on Your Record?

Independently fact-checked against primary sources (last audited August 4, 2026). · 8 primary sources cited on this page. How we verify our legal content

Does a Failed Drug Test Show Up on Your Record?

Updates

Corrected the DOT job-change lookback, which had applied the three-year commercial-driver figure to pilots and other transportation workers. The three-year period comes from 49 CFR 391.23(e) and governs motor carriers; the DOT-wide rule for aviation, rail, transit, and pipeline is a two-year lookback under 49 CFR 40.25(b). Qualified a flat statement that employees have the right to refuse a drug test, which is not true for DOT safety-sensitive workers, since 49 CFR 40.191 treats a refusal as a regulatory violation and 49 CFR 40.285 bars the worker from DOT safety-sensitive duty for any employer until a substance abuse professional evaluation is completed. Replaced an unsupported claim that an employee with no signed testing policy may sue over a dismissal for refusing a test with the accurate at-will picture. Corrected a summary bullet that listed the Coast Guard as a DOT agency and named FAA employees rather than the aviation workers 14 CFR 120.105 actually covers. Replaced a Department of Labor ADA link that now returns a 404 with the current ADA.gov page, dropped an uncited comparison between at-home kit and laboratory cutoff levels, and added the underlying regulations to the source list.

Independently fact-checked against the cited primary sources

Corrected the article's HIPAA framing: most employer-ordered drug tests fall outside HIPAA because most employers are not "covered entities," and HIPAA's own definition of protected health information excludes employment records held by a covered entity in its role as employer (45 CFR 160.103). Corrected a factual error citing "Title VIII" of the Civil Rights Act of 1964 to the correct Title VII. Corrected DOT drug-test retention guidance: verified positive results are kept five years under 49 CFR 40.333, not three; the three-year figure is the lookback window new employers must investigate through the FMCSA Drug and Alcohol Clearinghouse. Repaired seven broken links left over from the original WordPress migration and replaced two dead or mismatched source URLs. Removed a stray affiliate shortlink and a duplicate hand-written references list. Updated state marijuana-legalization figures and added a Frequently Asked Questions section.

Sources and References

  1. ADA.gov (U.S. Department of Justice): Introduction to the Americans with Disabilities Act(ada.gov).gov
  2. HHS: Health Insurance Portability and Accountability Act (HIPAA)(hhs.gov).gov
  3. 45 CFR 160.103, Definitions of Covered Entity and Protected Health Information (Cornell LII)(law.cornell.edu)
  4. ADA National Network: Is Testing for the Illegal Use of Drugs Permissible Under the ADA?(adata.org)
  5. SAMHSA: Employer Resources, Drug Testing Federal Laws and Regulations(samhsa.gov).gov
  6. EEOC: Enforcement Guidance on the Consideration of Arrest and Conviction Records in Employment Decisions(eeoc.gov).gov
  7. 45 CFR 164.512, Permitted Uses and Disclosures Without Authorization (Cornell LII)(law.cornell.edu)
  8. EEOC: Enforcement Guidance on Disability-Related Inquiries and Medical Examinations of Employees Under the ADA(eeoc.gov).gov
  9. National Conference of State Legislatures: Cannabis Overview(ncsl.org)
  10. Marijuana Policy Project: Cannabis Legalization and Employment Protections(mpp.org)
  11. NRS 613.132: Nevada Limits on Refusing to Hire Based on a Pre-Employment Marijuana Screening Test(leg.state.nv.us).gov
  12. 49 CFR 40.333, DOT Drug and Alcohol Testing Record Retention (Cornell LII)(law.cornell.edu)
  13. 49 CFR 391.23, Investigation of a Commercial Driver's Preceding Three Years of DOT Drug and Alcohol Testing History (Cornell LII)(law.cornell.edu)
  14. 49 CFR 40.25, Two-Year Lookback: Obtaining an Employee's DOT Drug and Alcohol Testing Information From Previous Employers (Cornell LII)(law.cornell.edu)
  15. 49 CFR 40.191, What Is a Refusal to Take a DOT Drug Test, and What Are the Consequences? (Cornell LII)(law.cornell.edu)
  16. 49 CFR 40.285, When Is a Substance Abuse Professional Evaluation Required? (Cornell LII)(law.cornell.edu)
  17. 14 CFR 120.105, Aviation Employees Who Perform Safety-Sensitive Functions Subject to Drug Testing (Cornell LII)(law.cornell.edu)
  18. 46 CFR 16.113, Coast Guard Marine Chemical Testing Programs Conducted Under 49 CFR Part 40 (Cornell LII)(law.cornell.edu)
  19. 6 U.S.C. 468, Transfer of the Coast Guard to the Department of Homeland Security (Cornell LII)(law.cornell.edu)
  20. FMCSA Drug and Alcohol Clearinghouse(clearinghouse.fmcsa.dot.gov).gov
  21. SAMHSA: Certified Drug Testing Laboratory List(samhsa.gov).gov
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