The document discusses the evolution of telehealth reimbursement, highlighting the changes from a paper-based billing system to the standardization brought by the AMA's CPT system in the mid-20th century. It outlines key legislation, including the Balanced Budget Act of 1997 and the Medicare Improvements for Patients and Providers Act of 2008, which expanded coverage and defined eligibility for telehealth services under Medicare and Medicaid. Additionally, the document emphasizes the variability in state-level telehealth policies and reimbursement codes.