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Positive Urine Screening Test for Benzodiazepine or THC in HIV-Positive Patient Taking Efavirenz

Purpose:

To identify a patient with a false-positive urine drug test for benzodiazepines and/or THC due to therapy with efavirenz.

Specialty:

Toxicology
Emergency Medicine
Critical Care

Objective:

laboratory tests

ICD-10:

B24

Description:

An HIV-positive patient receiving efavirenz may have a positive urine drug screening test with positive results for benzodiazepines and/or tetrahydrocannabinol (THC).

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