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Does Urine Non-DOT Tests Screen for Marijuana ?

Yes, most non-DOT urine drug tests include marijuana (THC) as a standard panel item.
Key Details

- Test Type: Urine (Non-DOT)
- Substance Detected: THC metabolite (11-nor-9-carboxy-THC or THC-COOH)
- Screening Method:
- Initial: Immunoassay (e.g., EMIT)
- Confirmation: GC-MS or LC-MS/MS
- Cutoff Levels:
- Initial screen: 50 ng/mL
- Confirmation: 15 ng/mL
Detection Window
- Single use: 1–3 days
- Moderate use: 5–10 days
- Chronic/heavy use: 21–30+ days
Customization
- Non-DOT tests are flexible
- Employers may include or exclude THC
- Panel options: 5-panel, 10-panel, 12-panel, etc.
- Cutoff thresholds can be modified
Legal Considerations
- State-dependent: Some states restrict THC testing for legal marijuana users
- Employer policy-driven: Inclusion of marijuana is at employer discretion unless regulated
Conclusion

Urine non-DOT drug tests typically screen for marijuana unless an employer specifically removes it. They are customizable, but THC is part of nearly all standard test panels.Do Urine Non-DOT Tests Screen for Marijuana?
Yes, most non-DOT urine drug tests include marijuana (THC) as a standard panel item.
Key Details
- Test Type: Urine (Non-DOT)
- Substance Detected: THC metabolite (11-nor-9-carboxy-THC or THC-COOH)
- Screening Method:
- Initial: Immunoassay (e.g., EMIT)
- Confirmation: GC-MS or LC-MS/MS
- Cutoff Levels:
- Initial screen: 50 ng/mL
- Confirmation: 15 ng/mL
Detection Window
- Single use: 1–3 days
- Moderate use: 5–10 days
- Chronic/heavy use: 21–30+ days
Customization
- Non-DOT tests are flexible
- Employers may include or exclude THC
- Panel options: 5-panel, 10-panel, 12-panel, etc.
- Cutoff thresholds can be modified
Legal Considerations
- State-dependent: Some states restrict THC testing for legal marijuana users
- Employer policy-driven: Inclusion of marijuana is at employer discretion unless regulated
Conclusion
Urine non-DOT drug tests typically screen for marijuana unless an employer specifically removes it. They are customizable, but THC is part of nearly all standard test panels.