At the state level, the Maryland Department of Health published the COVID-19: Frequently Asked Questions about Telehealth (Updated May 14, 2020) and referred to consent for services.
Federal regulations include:
Health Insurance Portability and Accountability Act of 1996 (HIPAA; U.S. Department of Health and Human Services, n.d.-b)
Health Information Technology for Economic and Clinical Health Act of 2009 (HITECH; U.S. Department of Health and Human Services, n.d.-a)
Family Educational Rights and Privacy Act of 1974 (FERPA; U.S. Department of Education, n.d.)