Substance abuse drug tests can be conducted in a variety of settings, including hospitals, clinics, rehabilitation centers, and workplaces.

As far as my knowledge cutoff date, April 2023, there are several different types of substance abuse tests, including urine tests, blood tests, hair tests, and saliva tests. The type of test used will depend on the specific substance being tested for, the frequency and duration of use, and the desired detection period.

Substance abuse tests can be used for a variety of purposes, including pre-employment screenings, probation and parole monitoring, and drug treatment programs. They can also be used to detect drug use in emergency situations, such as cases of suspected overdose.

It is important to note that the use of substance abuse tests is subject to various laws and regulations, and the specific protocols and procedures for testing can vary by jurisdiction and setting. It is important to consult with a qualified medical or legal professional if you have questions or concerns about substance abuse testing.