7-40 days, will vary
How long it takes before you pass depends on 3 things: 1) your genetics: the efficiency of your cyp liver enzymes governs benzodiazepine
Slow metabolizers can have the drug in their system for 50 days, depending on the initial dose. 2) the type of assay used 3) the sensitivity cutoff for the test. The department of defense, for instance, has lower cutoff values to test positive.