DOT Return to Duty Drug Test — Order Online $69

What Is a DOT Return-to-Duty Drug Test?

A DOT return-to-duty (RTD) drug test is a mandatory test required before a driver can resume safety-sensitive functions after a DOT drug or alcohol violation. Violations that trigger the RTD process include a positive drug test, a refusal to test, or a breath alcohol test with a BAC of 0.04 or higher.

Under 49 CFR Part 40, Subpart O, a driver who has committed a DOT violation must complete a specific return-to-duty process before they can legally operate a commercial motor vehicle again. This process includes:

Evaluation by a DOT-qualified Substance Abuse Professional (SAP)
Completion of any education or treatment recommended by the SAP
A follow-up evaluation by the SAP confirming compliance
A verified negative return-to-duty drug test (and/or alcohol test under 0.02)

The return-to-duty test is the final step before a driver can get back behind the wheel. It must produce a verified negative result — there are no exceptions. After the RTD test, the SAP will also prescribe a follow-up testing plan that includes a minimum of 6 unannounced tests over the next 12 months.

If you have completed your SAP evaluation and treatment, you are ready to order your return-to-duty test. OrderLabTest.com offers same-day RTD testing at over 20,000 collection sites nationwide for $69.

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Who Needs a Return-to-Duty Drug Test?

A return-to-duty drug test is required for any DOT-regulated driver who has committed a drug or alcohol violation and wants to resume safety-sensitive duties. This includes:

Drivers with a positive drug test — any confirmed positive result on a DOT drug test
Drivers who refused to test — refusal is treated the same as a positive result under FMCSA rules
Drivers with an alcohol violation — a BAC of 0.04 or higher on a DOT breath alcohol test
Drivers who completed SAP treatment and received clearance to test

You cannot take a return-to-duty test until you have completed an evaluation with a Substance Abuse Professional (SAP) and followed through on their treatment recommendations. Once your SAP clears you, order your RTD test immediately for $69 — same-day testing is available.

What Happens After You Order

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Select return-to-duty test, fill out the form, and pay $69. Takes less than 5 minutes.

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Frequently Asked Questions

What is a DOT return-to-duty drug test?

A DOT return-to-duty (RTD) drug test is required before a driver can return to safety-sensitive functions after a DOT drug or alcohol violation. This includes a positive drug test, refusal to test, or an alcohol test with a BAC of 0.04 or higher. The driver must first complete an evaluation with a Substance Abuse Professional (SAP) and any recommended treatment before the RTD test can be administered.

Do I need a SAP evaluation before my return-to-duty test?

Yes. Under 49 CFR Part 40 Subpart O, a driver must complete an evaluation with a DOT-qualified Substance Abuse Professional (SAP) before taking a return-to-duty test. The SAP will recommend education and/or treatment. Only after completing the SAP's recommendations can the return-to-duty test be ordered and taken.

How quickly can I order a return-to-duty test?

Once your SAP has cleared you for testing, you can order your return-to-duty drug test immediately through OrderLabTest.com. Same-day testing is available at over 20,000 collection sites nationwide. Your electronic QuickApp testing pass arrives by text within minutes of ordering.

What happens after a negative RTD test result?

After receiving a verified negative return-to-duty test result, the driver is cleared to return to safety-sensitive functions. However, the SAP will also prescribe a follow-up testing plan — a minimum of 6 unannounced tests in the first 12 months, with possible extension up to 60 months. The RTD result and follow-up plan are reported to the FMCSA Clearinghouse.

How many follow-up tests will I need after RTD?

The SAP determines the follow-up testing schedule. FMCSA requires a minimum of 6 unannounced drug and/or alcohol tests in the first 12 months after returning to duty. The SAP may require additional testing for up to 60 months total. These are direct-observed collections and cannot be skipped or rescheduled.

Does the RTD test go to the Clearinghouse?

Yes. The return-to-duty test result is reported to the FMCSA Drug and Alcohol Clearinghouse. A negative RTD result, along with completion of the SAP process, changes the driver's Clearinghouse status and allows employers to see that the driver has completed the return-to-duty process.

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