Urine drug screen on the MSLT day

when indicated

tests per year, US, when indicated, with the MSLT

“Urine drug screening should be employed when indicated to ensure that the MSLT results are not confounded by inadvertent, intentional, or illicit medication or substance use.”

Krahn et al., Recommended protocols for the Multiple Sleep Latency Test and Maintenance of Wakefulness Test in adults: guidance from the American Academy of Sleep Medicine, J Clin Sleep Med 2021, 2021-12-01

Kind of source

Clinical guideline

Read on

2026-11-06

Daily check

Source re-read on 2026-11-06 needs a browser (PDF or protected page)

What to know

Not universal; the clinician decides. Verbatim on the PMC page; the publisher blocks full-text XML (Europe PMC answers 500, NCBI efetch withholds the body), so only a browser read can check it.

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