Certified SAP Evaluation for Return to Duty
Complete DOT Follow-Up Testing Management After SAP Evaluation

At CoviLab, we understand that completing your SAP evaluation is just the first step. Our Follow-Up Testing services ensure you stay fully compliant with your SAP Return to Duty plan by managing all required drug and alcohol tests over your designated testing period. We work directly with drivers, employers, and Designated Employer Representatives (DERs) to coordinate testing, handle all required documentation, and ensure you remain eligible to drive throughout your follow-up schedule.
With extensive experience in DOT compliance and substance abuse programs, CoviLab makes your follow-up testing stress-free, accurate, and fully aligned with FMCSA guidelines.
Our Follow-Up Testing Process Covers
- Personalized follow-up testing schedule based on SAP recommendations
- DOT-compliant test administration
- Confidential reporting to Designated Employer Representative (DER)
- Ongoing compliance monitoring


Why Choose Us
✓Certified collection sites and trained staff
✓ Accurate, timely test results
✓ Full management of your SAP follow-up testing schedule
✓ Trusted by truckers and companies across North Carolina
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FAQs
What is DOT follow-up testing?
Follow-up testing is a series of drug or alcohol tests required after a violation, as directed by your SAP’s treatment plan.
How long does follow-up testing last?
The SAP will determine the length and frequency of testing, typically lasting 12 to 60 months based on individual circumstances.