As a companion piece to the earlier released Medicare Telehealth Guidance, the Centers for Medicare and Medicaid services today released Medicaid Telehealth Guidance to states. You can find a copy of the guidance here: https://www.medicaid.gov/medicaid/benefits/downloads/medicaid-telehealth-services.pdf
Additionally, you can find the homepage for general Medicaid Telehealth Guidance here: https://www.medicaid.gov/medicaid/benefits/telemedicine/index.html