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What Does a DOT Return-to-Duty Test Cost?

A plain breakdown of what you pay for the return-to-duty test and follow-up testing, and which costs come from other providers such as the SAP.

Medically reviewed by Chantal Gabriel, MD Updated October 2026

If you are working through the DOT return-to-duty (RTD) process, you will pay for several different things from different providers. This guide separates them so you know what to expect from WorkOccMed and what comes from your SAP.

At WorkOccMed: the directly observed return-to-duty drug test is $159.95. Each directly observed follow-up drug test is $135.

What you pay WorkOccMed for

What you pay other providers

These prices are set by the SAP and treatment providers. WorkOccMed does not set or collect them. Ask your SAP for their fees before you start.

Why observed collection matters

Return-to-duty and follow-up drug tests must use a directly observed collection, so the order has to be placed correctly from the start. Ordering through WorkOccMed sets this up for you.

How to order

  1. Complete the SAP evaluation and any education or treatment the SAP requires.
  2. When the SAP says you are eligible, order your return-to-duty test online.
  3. Take the test at a collection site. The result is reviewed by an MRO, and a negative result is reported to the Clearinghouse.

To see all six steps, read the return-to-duty process.

Frequently asked questions

How much is a DOT return-to-duty drug test?

At WorkOccMed the DOT return-to-duty drug test, which must be a directly observed collection, is $159.95.

How much is each follow-up test?

A DOT follow-up drug test with directly observed collection is $135 per test at WorkOccMed. How many you need depends on your SAP's follow-up testing plan.

Does that include the SAP evaluation?

No. The SAP evaluation, any education or treatment the SAP recommends, and the SAP follow-up evaluation are provided and priced by the SAP and treatment providers, not by WorkOccMed.

Who pays for the tests?

That is between the driver and the employer. Owner-operators pay for their own tests. You can order and pay online, so the order is ready when you reach the collection site.

Related guides

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