Weeding Through the Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana

This microlearning reviews the challenges healthcare providers face in distinguishing between new and residual marijuana use in patients, along with the importance of understanding marijuana's pharmacokinetics and carboxy-THC creatinine ratio to accurately assess recent use. This approach aids clinicians in making informed decisions regarding patient care, especially in contexts like addiction management and employment screening.

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This post was developed by our Education and Technical Publications Team.

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