A Q&A guide to drug testing law for private employers in Pennsylvania. This Q&A addresses employers' rights and restrictions when conducting workplace drug and alcohol testing of job applicants and current employees, as well as testing based on suspicion of intoxication or randomized testing. Federal, local, or municipal law may impose additional or different requirements. Answers to questions can be compared across a number of jurisdictions (see Drug Testing Laws: State Q&A Tool).

States and municipalities continue to issue public health guidance in response to the 2019 novel coronavirus disease (COVID-19) pandemic that may impact employee drug testing. For information and ongoing updates, see COVID-19: Employment Law and Development Tracker: State Laws and Directives.