Puet MARRCH presentation handout 103017

10/16/2017

Drug Testing Interpretation in Addiction Care

Brandi Puet, Pharm.D.

Objectives

? Describe the difference between immunoassay and confirmatory testing.

? List explanations for unexpected negative or positive drug testing results.

? Demonstrate the ability to interpret urine drug testing results through case studies.

Background

? Clinical Scientist and Fellowship Director at a healthcare toxicology laboratory

? Doctor of Pharmacy ? Auburn University ? Postgraduate Training

? PGY-1 Pharmacy Practice at VA Tennessee Valley Healthcare System (Nashville)

? PGY-2 Medication Use Safety at Hospital Corporation of America (Nashville)

Which is Nonadherent?

Patient A

Rx: none

EtG: 36,800 ng/mL

Patient B

Rx: Suboxone

Buprenorphine: 69,007 ng/mL

Patient C

Rx:Methadone

Methadone: 209 ng/mL

EtS:

Norbuprenorphine: EDDP:

None detected 48 ng/mL

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