Implementation Guidelines - Federal Transit Administration - U.S. ...

Chapter 7. Drug Testing Procedures 7-20
August 2002
Marijuana, Cocaine,
PCP, Amphetamine
Legitimate Medical
Explanation?
Inform Employee has
72 Hours to Request
Test of Split Specimen
Conduct Verification
Adulterant or
Positive Test Invalid Test
Substituted Test
Opiates
6 - AM or
15,000ng/mL
Yes No No Valid Medical
Explanation Exists
Negative Test Positive Test Positive Test
Employee Requests
Split Specimen
MRO Provides Written
Request to Lab to Send
Specimen to Second
Lab for Testing
Clinical
Evidence?
Yes No
Employee Has Burden
of Proof
Independent Medical
Evaluation May Be
Required
Employee Has Medical
Reason
MRO Discusses with
Certifying Scientist
Employee Does Not
Have Medical
Reason
Determine if
Test Cancelled, No
Test Cancelled,
Physiological Reason
Observed Collection
Immediate
for Test Result Observed Collection
Negative
Test Employee Has Medical Employee Does Not
Reason Have Medical Reason
Second Lab Sends
Results to MRO
Test Cancelled, No Positive, Refusal to
Observed Collection Test
MRO Verifies Results
Split Specimen Not
Available
Split Results Do Not
Reconfirm Primary
Figure 7-2. MRO Verification Flowchart: Verification Process
Cancel Test, Report to
DER, Retest Under
Direct Observation
Cancel Test, Report to
DER and DOT
Report to DER
Split Results Reconfirmed Positive,
Reconfirm Primary Adulterated, or
Substituted