MRO Regulatory Compliance 3

Question 1

An employee presents a legitimate prescription for amphetamines and the specimen tests positive. What should the MRO report to the DER?

Accepted Answer

Negative

Answer

A valid prescription that explains the positive laboratory result leads the MRO to report the result as negative.

Question 2

What is the minimum urine specimen volume required for a primary specimen to be considered a valid collection?

Accepted Answer

30 mL

Answer

DOT regulations require a minimum of 30 mL for a valid primary urine specimen collection.

Question 3

Under 49 CFR Part 40, which laboratory certification is required for federal workplace drug testing?

Accepted Answer

SAMHSA/HHS certification

Answer

Only HHS-certified (formerly SAMHSA-certified) laboratories may perform federal workplace urine drug testing.

Question 4

An MRO must keep records of all drug test results for a minimum of how many years?

Accepted Answer

5 years for positives, refusals, and cancelled tests; 1 year for negatives

Answer

49 CFR Part 40 requires 5-year retention for positives/refusals/cancelled tests and 1 year for negatives.

Question 5

When an employee refuses to undergo a required DOT drug test, how should the MRO report this to the DER?

Accepted Answer

The MRO reports it as a refusal to test, which is treated equivalent to a positive

Answer

A refusal to test is treated the same as a positive result under DOT regulations and must be reported as such.

(MRO) Medical Review Officer Certification Practice Test