Yes. Legal rules vary from state to state where marijuana is now legal for recreational use. Also, as marijuana stays in the system over a prolonged period of time, the employee may use marijuana legally, but be drug tested at a later time and lose their job. In general, according to Law360, marijuana legalization laws in states where it is legal support employers in drug testing for marijuana use and firing people for it. Marijuana use is still illegal under federal law, and many employers prefer to maintain their drug-free workplace policies.
One of the most commonly performed tests before surgery or during a hospitalization is a urinalysis. The test is also very common in clinics and doctor's offices, as it is used to diagnose one of the most common infections in America: the urinary tract infection. While ruling out a urinary tract infection is one common reason that this test is often performed, it is also done to evaluate the function of the kidneys--an important part of the process of evaluating the safety of giving a patient anesthesia and making sure that the kidneys continue to work well after a procedure.