Navigating Employee Drug Testing and Medical Marijuana Laws in North Dakota

Current as of: October 25, 2026 Employment Law North Dakota
North Dakota employers must pay 100% of drug testing costs ($45 to $150) and can fire workers for any detectable THC, even with a state medical card. Under N.D. Cent. Code § 19-24.1-34, businesses hold full legal authority to enforce zero-tolerance policies and deny workers' compensation benefits after a positive post-accident screen.

Holding a valid registry identification card from the North Dakota Department of Health and Human Services, Division of Medical Marijuana, Bismarck does not shield you from losing your job after a workplace drug screen. Whether you work on a drilling rig in Williston, a hospital floor in Fargo, or a corporate desk in Bismarck, state law heavily favors employers who maintain drug-free workplaces. Because tetrahydrocannabinol (THC) metabolites remain detectable in urine for weeks after off-duty consumption, lawful patients frequently face sudden termination, loss of unemployment insurance, or forfeited workers' compensation benefits.

North Dakota lawmakers removed any ambiguity surrounding workplace cannabis testing by amending N.D. Cent. Code § 19-24.1-34 through Senate Bill 2388. The statute explicitly states that the state's medical marijuana program does not prohibit an employer from disciplining or discharging an employee for possessing or consuming usable marijuana at work, working while under the influence, or simply working with marijuana in the employee's system. By adding that final phrase, the legislature eliminated the need for an employer to prove active, on-the-job impairment before firing a medical cardholder.

Employer Zero-Tolerance Policies vs. Medical Cardholder Rights

In North Dakota, the employment relationship defaults to the at-will doctrine codified under N.D. Cent. Code § 34-03-01, meaning either the worker or the business may end employment at any time with notice. While the North Dakota Human Rights Act generally protects employees who engage in lawful off-duty conduct under N.D. Cent. Code § 14-02.4-03 and N.D. Cent. Code § 14-02.4-08, cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act (21 U.S.C. § 812). Furthermore, once detectable THC metabolites remain in a worker's body during shift hours, N.D. Cent. Code § 19-24.1-34 classifies the issue as an on-duty presence rather than protected off-duty conduct, a distinction reinforced by the North Dakota Supreme Court's analysis of off-duty statutory boundaries in Hougum v. Valley Memorial Homes, 574 N.W.2d 812 (ND Supreme Court 1998).

Despite granting businesses broad disciplinary authority, North Dakota law imposes strict financial and procedural obligations on testing programs. Under N.D. Cent. Code § 34-01-15, whenever an employer requires a current or prospective employee to take a medical examination-explicitly defined to include any test for the presence of drugs or alcohol-as a condition of obtaining or retaining employment, the employer must pay 100% of the testing cost. Employers who deduct drug screen fees from a worker's paycheck commit a statutory infraction. Conversely, employees who attempt to beat a workplace screen using synthetic urine, additives, or substituted samples face criminal prosecution for defrauding a drug or alcohol screening test under N.D. Cent. Code § 12.1-11-07, a Class A misdemeanor carrying up to 360 days in jail and a $3,000 fine.

Industry-Specific Drug Testing Rules in North Dakota

Workplace drug testing rules in North Dakota vary dramatically depending on whether your job falls under federal transportation mandates, state workers' compensation safety rules, or private corporate policies.

DOT and CDL Commercial Drivers

Commercial truck drivers hauling crude oil across the Bakken or agricultural commodities through Cass and Grand Forks counties are governed by the Federal Motor Carrier Safety Administration (FMCSA). Under 49 C.F.R. § 40.151, Medical Review Officers (MROs) are strictly forbidden from accepting a state-issued medical marijuana card as a valid medical explanation for a positive THC test. Commercial drivers are subject to pre-employment, random, reasonable suspicion, and post-accident testing under 49 C.F.R. § 382.303. Any positive THC result at or above the 50 ng/mL initial screen and 15 ng/mL confirmation cutoff triggers immediate removal from safety-sensitive duties and mandatory reporting to the federal FMCSA Drug and Alcohol Clearinghouse.

Oil Field Roughnecks and Energy Sector Crew

Roughnecks, derrickhands, and roustabouts in Williston, Watford City, Dickinson, and Minot work in high-hazard environments closely monitored by North Dakota Workforce Safety and Insurance, Bismarck (WSI). Under N.D. Cent. Code § 65-01-11, an employer with a mandatory post-accident testing policy-or reasonable grounds to suspect voluntary impairment-may require an injured worker to undergo immediate drug and alcohol screening. If a test conducted by a qualified technician or physician detects controlled substances or cannabis at or above federal DOT cutoff levels, the statute creates a rebuttable presumption that the workplace injury was caused by voluntary impairment. Unless the injured roughneck can prove by a preponderance of the evidence that the THC in their system did not contribute to the accident-a heavy burden examined in Hust v. North Dakota Workers Compensation Bureau, 574 N.W.2d 808 (ND Supreme Court 1998)-WSI will deny all medical and wage-loss benefits. Refusing a post-accident test triggers an automatic forfeiture of WSI benefits.

Healthcare Workers and Hospital Staff

Nurses, pharmacists, and clinical technicians in major health systems across Fargo, Bismarck, Grand Forks, and Minot face dual oversight from hospital human resources and state licensing boards. Healthcare facilities receiving federal Medicare grants or contracts must maintain compliance with the Drug-Free Workplace Act (41 U.S.C. § 8102). While a registered nurse holding a valid North Dakota medical marijuana card does not automatically lose their license solely for off-duty therapeutic use, testing positive after a medication counting discrepancy or reasonable suspicion incident often triggers mandatory reporting to the North Dakota Board of Nursing, Bismarck and immediate suspension.

Office Staff and Corporate Employees

Administrative, finance, and tech workers in non-safety-sensitive roles are rarely subjected to random testing unless clearly stipulated in a written employee handbook. However, if a corporate employer distributes a clear zero-tolerance policy and an office worker tests positive for THC, termination for violating a known company rule constitutes disqualifying misconduct under N.D. Cent. Code § 52-06-02. In Stalcup v. Job Service North Dakota, 592 N.W.2d 549 (ND Supreme Court 1999), the North Dakota Supreme Court affirmed that an employee fired for testing positive in violation of an agreed-upon company drug policy is legally disqualified from collecting unemployment insurance benefits.

Worker CategoryGoverning AuthorityMedical Card Accepted?Random Testing Permitted?Impact of Positive THC Screen
DOT / CDL DriversFMCSA & 49 C.F.R. § 40.151No (Federal ban)Mandatory (50% drug rate)CDL disqualification, Clearinghouse record, termination
Oil Field RoughnecksWSI & N.D. Cent. Code § 65-01-11No (Zero-tolerance standard)Yes (Per operator safety policy)Rebuttable presumption denying WSI injury benefits
Healthcare WorkersN.D. Cent. Code § 19-24.1-34 & Licensing BoardsVaries by hospital policyYes (If stated in handbook)Termination and potential licensing board evaluation
Office & Corporate StaffN.D. Cent. Code § 34-01-15 & HandbookEmployer discretionAllowed, though less commonTermination and denial of Job Service unemployment

Step-by-Step Process in North Dakota for Challenging a False Positive

Whether you live in Fargo, Bismarck, Grand Forks, or Williston, an unchallenged false positive caused by legitimate prescription medications-such as proton pump inhibitors, NSAIDs, or prescribed cannabinoids like Marinol-can permanently damage your career. Follow these steps immediately after a non-negative screen:

Step 1: Request Your Custody and Control Form and Lab Records

Immediately ask the collection clinic and your employer for a copy of your chain-of-custody documentation, such as Form CCF, Federal, Department of Transportation, Federal Drug Testing Custody and Control Form for regulated screens. Verify that the specimen bottle seals were initialed in your presence and check for clerical errors in specimen identification numbers.

Step 2: Respond Immediately to the Medical Review Officer (MRO)

Before reporting a confirmed positive to an employer, an MRO typically attempts to contact the worker. Answer this call promptly and provide pharmacy records for any FDA-approved medications, such as dronabinol (Marinol), ADHD prescriptions, or over-the-counter drugs that may cross-react on an initial immunoassay rapid test.

Step 3: Demand a Split-Specimen Confirmation Test (GC/MS)

Initial point-of-collection cup tests have a significantly higher false-positive rate than laboratory analysis. Demand that your split specimen (Bottle B) be sent to an independent, SAMHSA-certified laboratory for Gas Chromatography/Mass Spectrometry (GC/MS) or LC-MS/MS confirmatory testing, which isolates specific molecular compounds and eliminates cross-reactivity.

Step 4: Protect Your WSI and Unemployment Benefits

If the drug test followed a workplace accident, ensure that Form SFN 2828, North Dakota, Workforce Safety and Insurance, First Report of Injury is filed with North Dakota Workforce Safety and Insurance, Bismarck (1600 East Century Avenue, Suite 1, Bismarck, ND 58503, phone 800-777-5033). Gather eyewitness statements and equipment maintenance logs proving that mechanical failure-not impairment-caused the injury to rebut the presumption under N.D. Cent. Code § 65-01-11. If fired, file your unemployment response with Job Service North Dakota, Bismarck (1000 East Divide Avenue, Bismarck, ND 58501, phone 701-328-2825).

Step 5: File an Administrative Discrimination or Retaliation Claim

If an employer selectively drug-tested you in retaliation for reporting a safety hazard under N.D. Cent. Code § 34-01-20 or to discriminate against an underlying disability protected by N.D. Cent. Code § 14-02.4-03, submit Form SFN 14543, North Dakota, Department of Labor and Human Rights, Equal Employment Opportunity Questionnaire/Affidavit to the North Dakota Department of Labor and Human Rights, Bismarck (600 East Boulevard Avenue, Dept 406, Bismarck, ND 58505, phone 701-328-2660). When litigation becomes necessary, wrongful termination or administrative appeals are heard in local trial courts such as the Cass County District Court, Fargo, the Burleigh County District Court, Bismarck, or the Williams County District Court, Williston. Consulting an experienced North Dakota employment lawyer from our directory can help you evaluate your evidence and protect your income.

How Much Does it Cost in North Dakota?

  • Initial Employer-Mandated Drug Screen: $0 to the employee. Under N.D. Cent. Code § 34-01-15, North Dakota employers must pay the full cost (typically $45 to $95 for a standard 5-panel or 10-panel urine test, and $120 to $250 for laboratory GC/MS confirmation).
  • Split-Specimen Retest (Bottle B): Typically $150 to $225. While DOT regulations prevent employers from requiring a driver to pay upfront before the split test occurs, employers often seek reimbursement if Bottle B reconfirms the positive result, subject to state wage deduction limits.
  • North Dakota Medical Marijuana Card Fee: A $40 application fee (valid for up to two years) paid online to the North Dakota Department of Health and Human Services, Division of Medical Marijuana, Bismarck, plus $100 to $250 for the certifying healthcare provider consultation.
  • Court and Legal Fees: Filing a civil complaint or administrative appeal in a North Dakota District Court costs $160 under N.D. Cent. Code § 27-05.2-03. Hiring a local North Dakota employment attorney generally costs between $250 and $425 per hour, though many WSI and wrongful termination lawyers offer free initial case evaluations or contingency arrangements.

How Long Does the Process Take?

  • Split-Specimen Retest Request: For DOT and federally regulated employees, you have strictly 72 hours from the moment the MRO notifies you of a verified positive result to demand a Bottle B split-specimen analysis.
  • Post-Accident Testing Window: Under 49 C.F.R. § 382.303 and standard WSI protocols, alcohol breath testing must occur within 2 to 8 hours of a workplace accident, and controlled substance urine collection must occur within 32 hours.
  • Job Service Unemployment Appeal: If Job Service North Dakota, Bismarck denies your unemployment benefits for drug-related misconduct under N.D. Cent. Code § 52-06-02, you have only 12 calendar days from the mailing date of the determination to file a formal appeal.
  • WSI Claim Reconsideration: Injured workers denied benefits under N.D. Cent. Code § 65-01-11 have 30 days from the Notice of Decision to request formal reconsideration.
  • Human Rights Discrimination Filing: Under N.D. Cent. Code § 14-02.4-19, a disability discrimination charge must be filed with the North Dakota Department of Labor and Human Rights, Bismarck within 300 days of the adverse employment action.

Frequently Asked Questions (FAQ)

Can a North Dakota employer fire me for failing a THC test if I only used medical marijuana at home over the weekend?

Yes. Under N.D. Cent. Code § 19-24.1-34, North Dakota employers are legally permitted to discipline or terminate an employee for working with marijuana in their system, regardless of whether the employee is actively impaired during shift hours or holds a valid state medical cannabis card.

Can my employer deduct the cost of a pre-employment or random drug test from my paycheck if I quit or fail?

No. N.D. Cent. Code § 34-01-15 strictly mandates that whenever an employer requires a prospective or current employee to undergo a drug or alcohol test as a condition of obtaining or retaining employment, the employer must bear the entire cost. Deducting the fee is a statutory infraction.

Will Workforce Safety and Insurance (WSI) pay for my prescribed medical marijuana after a workplace back injury?

No. Under N.D. Cent. Code § 19-24.1-34 and WSI administrative policy, neither a government medical assistance program nor North Dakota Workforce Safety and Insurance, Bismarck is required or permitted to reimburse an injured worker for costs associated with medical cannabis.

How can I overcome the WSI presumption of impairment if I test positive for THC after an oilfield accident?

Under N.D. Cent. Code § 65-01-11, a positive post-accident test creates a rebuttable presumption that impairment caused the injury. You can overcome this presumption by presenting preponderance evidence-such as coworker testimony, video footage, or mechanical failure reports-proving the accident would have occurred regardless of inactive THC metabolites.

Does using CBD oil protect me if I test positive for THC on a workplace drug screen in North Dakota?

Generally no. Many over-the-counter full-spectrum CBD products contain trace amounts of delta-9 THC that accumulate in fat cells and trigger positive urine screens above 15 ng/mL. Both DOT Medical Review Officers and private North Dakota employers treat a positive THC screen from CBD use the same as cannabis consumption.

What happens if I use synthetic urine to pass a pre-employment drug test in North Dakota?

Using synthetic urine, chemical adulterants, or someone else's biological sample violates N.D. Cent. Code § 12.1-11-07. Defrauding a drug or alcohol screening test is a Class A misdemeanor in North Dakota, punishable by up to 360 days in county jail, a $3,000 fine, or both.


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