"TennCare is a Section 1115 demonstration waiver program. It serves Medicaid eligibles as well as others who meet specified criteria.
A “demonstration waiver” means that certain federal statutes have been “waived,” or disregarded, so that a state can demonstrate a particular health care hypothesis. The TennCare waiver, like other 1115 waiver programs, includes a list of statutes that have been waived by CMS in order for the program to be implemented."
https://www.tn.gov/content/dam/tn/tenncare/documents2/org060...

"Section 1115 of the Social Security Act gives the Secretary of Health and Human Services authority to approve experimental, pilot, or demonstration projects that are found by the Secretary to be likely to assist in promoting the objectives of the Medicaid program. The purpose of these demonstrations, which give states additional flexibility to design and improve their programs, is to demonstrate and evaluate state-specific policy approaches to better serving Medicaid populations."
https://www.medicaid.gov/medicaid/section-1115-demonstration...

"Demonstration means any experimental, pilot, or demonstration project which the Secretary approves under the authority of section 1115 of the Act because, in the judgment of the Secretary, it is likely to assist in promoting the statutory objectives of the Medicaid or CHIP program. "
https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-...