Services How It Works Coverage Return to Duty
Employer Portal → (888) 233-4567
Work OccMed › Return to Duty
DOT & Non-DOT · All 50 States

Return to Duty &
Fitness for Duty

DOT return to duty drug testing after a drug or alcohol violation. Non-DOT fitness-for-duty evaluations after injury, illness, or extended leave. Order online — 15,000+ collection sites nationwide.

Order Return to Duty Test → (888) 233-4567
DOT Return to Duty Process

The Federal SAP Process — Step by Step

When a DOT-regulated employee tests positive or refuses a drug/alcohol test, federal law requires completion of the full SAP process before they can resume safety-sensitive duties. This applies to CDL drivers, airline pilots, railroad workers, transit operators, maritime crew, and pipeline workers.

Employee Cannot Perform Safety-Sensitive Duties Until RTD Test is Negative

Immediately upon a verified positive test, refusal, or alcohol test ≥0.04 — the employee must be removed from safety-sensitive functions. No exceptions. Violation of this rule can result in civil penalties up to $16,000 per violation.

1
Removal from Safety-Sensitive Duties
Immediately upon a verified positive drug test, refusal, or BAC ≥0.04, the employer removes the employee from all safety-sensitive functions. The employee may not drive, fly, operate, or perform any DOT safety-sensitive role.
Employer action · Immediate
2
Substance Abuse Professional (SAP) Evaluation
The employee must be evaluated by a DOT-qualified Substance Abuse Professional (SAP). The SAP determines what education, treatment, or counseling is needed before the employee can return to duty.
Employee-funded · Required by 49 CFR Part 40
3
Complete SAP-Prescribed Treatment
The employee must successfully complete the education or treatment program the SAP recommends — whether outpatient counseling, inpatient treatment, or an education program. The SAP determines compliance, not the employer.
SAP-determined duration
4
SAP Follow-Up Evaluation
The SAP conducts a follow-up evaluation to determine whether the employee has complied with the treatment recommendations and is eligible to take the return to duty drug or alcohol test.
SAP clearance required
5
Return to Duty Drug or Alcohol Test
The employee takes a directly observed DOT return to duty drug test (or EBT for alcohol violations). The test must be directly observed. A negative result is required before the employee can return to safety-sensitive duties.
Directly observed · Negative required
6
Follow-Up Testing Plan
After returning to duty, the SAP will prescribe a follow-up testing plan: minimum 6 unannounced tests in the first 12 months, and up to 60 months total. The employer manages these through their random testing program.
Minimum 12 months · SAP-prescribed
What Employers Need to Know

DOT Return to Duty — Key Requirements

DOT Substances That Trigger RTD

Verified positive drug test
RTD required
Refusal to test
RTD required
BAC ≥ 0.04 (safety-sensitive)
RTD required
BAC 0.02–0.039
24-hr removal
Adulterated / substituted specimen
RTD required

Who Needs DOT RTD Testing

  • FMCSA — CDL drivers (interstate & intrastate where applicable)
  • FAA — pilots, air traffic controllers, flight crew
  • FRA — railroad operating employees
  • FTA — mass transit operators and safety-sensitive crew
  • PHMSA — pipeline operators in safety-sensitive roles
  • USCG — maritime crew on vessels ≥100 gross tons

Directly Observed Collection is Mandatory

Return to duty drug tests must be directly observed by a certified collector. The employee cannot be left alone at any point during specimen collection. Work OccMed's collectors are trained in DOT direct observation procedures.

FMCSA Clearinghouse Reporting

Employers must report all drug and alcohol violations to the FMCSA Drug & Alcohol Clearinghouse. The return to duty test result and SAP completion must also be reported to update the driver's Clearinghouse record before they can operate again.

Order RTD Tests Through Your Employer Portal

Log in to portal.dot-physical.net, select Return to Duty testing, and direct the employee to the nearest collection site. Work OccMed ensures directly observed collection and delivers the MRO-reviewed result to your portal within 24–72 hours.

Employer Responsibilities During RTD

  • Immediately remove employee from safety-sensitive duties
  • Provide employee with SAP referral list
  • Not allow return until negative RTD test is documented
  • Report violation to FMCSA Clearinghouse within 3 business days
  • Implement SAP-prescribed follow-up testing schedule
  • Keep all records for minimum 5 years
Non-DOT Return to Work

Fitness-for-Duty Evaluations After Injury or Illness

When a non-DOT employee returns to work after an injury, surgery, illness, or extended leave, a fitness-for-duty (FFD) evaluation confirms they can safely perform their job without risk to themselves or coworkers. Work OccMed provides FFD evaluations and return to work drug screenings at 15,000+ sites nationwide.

ℹ️

Non-DOT Return to Work is Employer-Driven — Not Federally Mandated

Unlike DOT, non-DOT return to work procedures are governed by your company policy, your workplace drug testing program, and applicable state law. Work OccMed can help you build a compliant written policy and manage the process end-to-end.

1
Notify Work OccMed
Log into your employer portal and initiate a return to work order. Specify whether you need a fitness-for-duty evaluation, a drug screen, or both. Select the collection site nearest to the returning employee.
Employer initiates · Online
2
Drug Screen (If Required by Policy)
If your workplace drug policy requires a return to work drug test (common in safety-sensitive roles), the employee visits the nearest collection site. Standard 5-panel or 10-panel urine test — results in 24–72 hours.
Policy-driven · 15,000+ sites
3
Fitness-for-Duty Evaluation
A Work OccMed physician reviews the employee's medical status relative to their job duties. The physician may request documentation from the treating provider, impose temporary restrictions, or grant full clearance.
Physician review · Job-specific
4
Clearance or Restrictions
The physician issues one of three outcomes: full clearance, conditional clearance with work restrictions (e.g. lifting limits, no driving), or not cleared to return. The employer receives the clearance letter — no diagnosis is disclosed.
Confidential · HIPAA compliant
5
Return to Work
With a clearance letter in hand, the employee returns to work. If restrictions are in place, the employer accommodates them per the letter. Work OccMed tracks follow-up evaluations if a second clearance is needed after restrictions lift.
Employer accommodates restrictions
When to Use FFD Evaluations

Fitness-for-Duty — Common Scenarios

When Employers Request FFD Evaluations

  • Return after workers' compensation injury
  • Return after FMLA or extended medical leave
  • Return after surgery or hospitalization
  • Reasonable suspicion of impairment at work
  • After a workplace accident or near-miss
  • Periodic evaluation for safety-sensitive roles
  • Return after treatment for substance use disorder (non-DOT)
  • Before assignment to a new physically demanding role

Industries Using Return-to-Work FFD

  • Construction & heavy equipment operation
  • Healthcare (nurses, physicians, aides)
  • Manufacturing & warehouse operations
  • Law enforcement & first responders
  • Schools & childcare providers
  • Staffing agencies — pre-placement

What the Clearance Letter Tells the Employer

Cleared — no restrictions
Full return
Cleared with restrictions
Modified duty
Not cleared — follow-up needed
Cannot return yet

No diagnosis, prognosis, or treatment details are shared with the employer. Only clearance status and any work restrictions — fully HIPAA compliant.

Get Your RTW Policy in Writing First

A written drug-free workplace policy protects you legally and creates clear expectations. Contact Work OccMed at occmed@doctors-place.com and we can help you draft a compliant policy before setting up testing.

Post-Accident Drug Testing

If an employee is involved in a workplace accident, your policy may require immediate post-accident drug and alcohol testing. Work OccMed has collection sites available nationwide — order through your portal and direct the employee immediately.

FAQ

Return to Duty — Common Questions

DOT return to duty is a federally mandated process governed by 49 CFR Part 40 that applies to CDL drivers, pilots, railroad workers, and other DOT-regulated employees. It requires completion of the SAP process and a negative directly-observed drug or alcohol test before resuming safety-sensitive duties. Non-DOT return to work is employer-driven — it's governed by your company policy and involves a fitness-for-duty evaluation by a physician to confirm an employee can safely perform their job after injury, illness, or extended leave.
No. Federal law strictly prohibits a CDL driver from performing any safety-sensitive function — including driving, loading, or pre-trip inspections — before completing the full SAP process and receiving a negative return to duty drug or alcohol test. The employer faces civil penalties up to $16,000 per violation for allowing an employee to return early.
The employer is not required by federal law to pay for the SAP evaluation or treatment program — that is typically the employee's responsibility (through EAP, personal insurance, or out-of-pocket). However, the employer is responsible for paying for the return to duty drug or alcohol test itself and the subsequent follow-up testing. Some employers cover SAP costs as part of their employee assistance programs.
The timeline depends entirely on the SAP's recommendations and how quickly the employee completes treatment. At minimum — if the SAP recommends only an education program — it could take a few weeks. If inpatient treatment is required, it may take 30–90+ days. The employer has no control over the timeline; only the SAP can determine when the employee is eligible to take the return to duty test.
A fitness-for-duty (FFD) evaluation is a physician assessment of whether an employee can safely perform the essential functions of their job. It is conducted by an occupational medicine physician who reviews the employee's medical status, any restrictions from their treating provider, and the physical demands of their job description. The physician issues a clearance letter to the employer — no diagnosis is shared, only clearance status and any workplace restrictions.
Log in to your employer portal at portal.dot-physical.net, navigate to Order Services, and select Return to Duty (DOT) or Return to Work Drug Screen / FFD (non-DOT). Enter the employee's information and select the collection site nearest to them. They receive an authorization to present at the site — no appointment needed at most locations. Results are delivered to your portal in 24–72 hours.

Order a Return to Duty Test Today

15,000+ collection sites nationwide. Results in 24–72 hours. DOT and non-DOT available.

Order Through Employer Portal → occmed@doctors-place.com (888) 233-4567