Testing for additional drugs still taboo for DOT tests
With the development of new synthetic drugs and changes in drug use, motor carriers may wish they had more than the standard DOT drug panel as an option to detect and deter drug use. The DOT five-panel drug test will not detect all possible substances that could impair a driver. This leads motor carriers to question whether a larger panel may be requested as a part of the DOT collection.
The simple answer is “no.” Motor carriers cannot add more drugs to the DOT panel. The rationale behind DOT’s decision lies in a Federal Register entry from December 1, 1989, that established Part 40 testing procedures. The decades-old reasons behind DOT’s decision still apply today.
DOT purposes only
Part 40 procedures only allow the lab to test for five families of drugs within specified thresholds. The drugs are:
- Marijuana
- Cocaine
- Opioids
- Amphetamines
- Phencyclidine (PCP)
If employers wish to test for drugs other than these five, DOT rules require a second, separate urine collection in order for a non-DOT test to be performed.
The DOT sample may not be used for other purposes, and carriers cannot request that the lab test the specimen for any additional substances. In fact, any leftover urine from the DOT collection must be discarded and cannot be used for a non-DOT test.
DHHS certified labs
Part 40 procedures require all DOT specimens be processed by a lab that is certified through the Department of Health and Human Services (DHHS). DHHS lab certification does not extend to testing for additional drugs. Use of DHSS-certified labs establishes required, uniform standards for accuracy and the integrity of the five-panel drug screen.
Court precedence
Aside from the certified lab procedures, permitting an employer to ask for additional drug screens in a DOT panel might bring Fourth Amendment rights into question. Courts have upheld the five-panel, federally-mandated tests under DHHS guidelines (Skinner v. Railway Labor Executives’ Association). Testing for additional drugs further intrudes on the privacy of drivers and may not be approved by courts as testing has been in the past.
What options do employers have?
Many carriers have implemented non-DOT testing programs. These types of programs are permitted if they don’t go against union arbitrations or state employment laws. Note that the result of a non-DOT test does not hold any DOT consequences. For instances, it cannot be used as a rationale for reasonable suspicion testing or claims of actual knowledge. Any ramifications are strictly based on company policy, within the scope of employment law.
Regarding the testing panel for a non-DOT drug test, employers need to review state laws. Some states have adopted the DHHS testing procedures that appear in Part 40 for workplace testing programs, while others allow the employer to cast a wider net and ask the lab to test for different drugs.
For those companies that conduct business in more than one state, a non-DOT testing program cannot be all encompassing. What is allowed in one state may not be permitted in another. The non-DOT testing program will have to be tailored to state law in each state in which the company is located.
Key to remember: Employers may not test for any substances other than those included on the DOT five-panel drug test. A non-DOT drug testing program may be an option to supplement a DOT testing program.