Status of State Medicaid Expansion Decisions: Interactive Map


To date, 37 states (including DC) have adopted the Medicaid expansion and 14 states have not adopted the expansion. Current status for each state is based on KFF tracking and analysis of state expansion activity.

To view this data in a table format, click here. To download a Powerpoint slide of the expansion status map, click here.

Key States with Expansion Activity

State Summary of Activity
United States Coverage under the Medicaid expansion became effective January 1, 2014 in all states that have adopted the Medicaid expansion except for the following: Michigan (4/1/2014), New Hampshire (8/15/2014), Pennsylvania (1/1/2015), Indiana (2/1/2015), Alaska (9/1/2015), Montana (1/1/2016), Louisiana (7/1/2016), Virginia (1/1/2019), Maine (1/10/2019 with coverage retroactive to 7/2/2018), and Idaho, Nebraska, and Utah (to be determined).

Arizona, Arkansas, Indiana, Iowa, Michigan, Montana, New Hampshire, New Mexico, and Ohio have approved Section 1115 waivers to operate their Medicaid expansion programs in ways not otherwise allowed under federal law. Arkansas continues to operate its expansion program through a waiver, however, the waiver provisions related to the work requirement and reduction of retroactive eligibility were set aside by court on March 27, 2019.

Idaho Idaho voters approved a ballot measure in November 2018 that requires the state to submit a state plan amendment (SPA) to the Centers for Medicare and Medicaid Services (CMS) to implement the Medicaid expansion within 90 days of approval of the measure. Idaho submitted a SPA for the Medicaid expansion in February 2019. On April 9, 2019, Idaho Governor Little signed a bill passed by the legislature that makes changes to the Medicaid expansion program approved by voters. The legislation directs the Idaho Department of Health and Welfare to seek waivers for multiple changes, including to add a work requirement as a condition of eligibility for coverage; implement a form of “partial expansion” in which the state would access the ACA enhanced match rate for the newly eligible population up to 100% FPL and individuals between 100-138% FPL who choose to opt-in to Medicaid coverage (the default for that population would be qualified health plan (QHP) coverage in the Marketplace with advance premium tax credits); and to use Medicaid funds to pay for substance use and/or mental health services in institutions for mental disease (IMDs). The legislation specifies that if the waivers are not approved by January 1, 2020, then all individuals up to 138% FPL will be enrolled in Medicaid.

On August 29, 2019, CMS rejected Idaho’s 1332 waiver request to access the ACA enhanced match rate for expansion-eligible individuals to stay on the state’s health insurance exchange rather than enroll in Medicaid. The Governor said that the state plans to resubmit the application with additional information. CMS, however, specified that even a revised application would not be approved as it could not demonstrate compliance with the deficit neutrality guardrail.

Kentucky On March 27, 2019, the court set aside the reapproved Kentucky HEALTH waiver. In its previous decision, the court had set aside the original waiver approval, and on November 20, 2018, CMS reapproved the Kentucky HEALTH waiver with minor technical changes. Unless and until HHS issues another approval that passes legal muster or prevails on appeal, the work requirement, monthly premiums up to 4% of income, coverage lockouts for failure to timely renew eligibility or timely report a change in circumstances, heightened cost-sharing for non-emergency ER use, and elimination of retroactive eligibility and non-emergency medical transportation will not be implemented. The separate “institution for mental disease” substance use disorder payment waiver was not set aside and was allowed to go into effect. Kentucky’s expansion program was originally implemented and continues to operate under SPA authority.
Maine Maine implemented expansion on January 10, 2019. Maine adopted the Medicaid expansion through a ballot initiative in November 2017. After former Governor LePage delayed implementation of the expansion for months, new Governor Mills signed an executive order on her first day in office (January 3, 2019) directing the Maine Department of Health and Human Services to begin expansion implementation and provide coverage to those eligible retroactive to July 2018. CMS approved the state’s plan retroactive to July 2, 2018 on April 3, 2019.
Montana On April 18, 2019, the Montana Legislature passed a bill (which was signed by Governor Bullock on May 9, 2019) to continue the state’s expansion program with significant changes until 2025. This action came after Montana voters voted down a measure on the November 2018 ballot that would have extended the Medicaid expansion beyond the June 30, 2019 sunset date and raised taxes on tobacco products to finance the expansion. The approved bill directs the state to seek federal waiver authority to make several changes to the existing expansion program, including adding a work requirement as a condition of eligibility and increasing the premiums required of many beneficiaries. Per the legislation, the state submitted a Section 1115 waiver proposal with these changes to CMS on August 30, 2019 and the request is pending.
Nebraska Nebraska voters approved a Medicaid expansion ballot measure in November 2018 and the state submitted a state plan amendment (SPA) for the expansion on April 1, 2019. The SPA delays Medicaid expansion implementation until October 1, 2020 to allow time for the state to seek a Section 1115 waiver to implement expansion with program elements that differ from what is allowed under federal law.

On August 28, 2019, Nebraska Appleseed (the group that organized the Medicaid expansion ballot measure) filed a lawsuit asking the Nebraska Supreme Court to rule that Medicaid expansion must begin no later than November 17, 2019. The group argued that the state’s planned implementation date of October 1, 2020 violates Initiative 427, the Medicaid expansion law approved by ballot initiative. The Supreme Court refused to hear the lawsuit before lower court review, and Nebraska Appleseed will refile the case in district court.

Utah Since Utah voters approved a November 2018 ballot measure to adopt the ACA Medicaid expansion up to 138% of the FPL, the state legislature has taken steps to roll back the full expansion. The state enacted a law in February 2019 that amended the voter-approved ballot measure, requiring the state to submit a series of Section 1115 waiver requests limiting the expansion to 100% FPL, first at its regular matching rate and then requesting the enhanced federal matching rate of 90%. The first waiver, the “Bridge Plan,” was approved in March 2019, and allowed the state to implement a coverage expansion to 100% FPL beginning April 1, 2019, at the state’s regular matching rate. The approved waiver also included an enrollment cap and a work requirement. On July 31, 2019, Utah submitted to CMS its “Per Capita Cap” proposal for a new waiver that would continue a number of provisions already approved as well as a request for the enhanced match for partial expansion and a limit on enhanced federal funding. More details about the provisions of this waiver can be found in the Medicaid Waiver Tracker. CMS issued a statement in late July and a letter to the state in mid-August confirming that they would not approve the enhanced matching rate for an expansion that does not go to 138% FPL or that includes an enrollment cap.

If CMS does not approve Utah’s July 2019 waiver submission, the state is required to submit a subsequent waiver, the “Fallback Option,” that would seek the enhanced match for coverage to 138% FPL and continue some other provisions in the earlier waivers. If CMS does not approve the Fallback Option by July 1, 2020, Utah must adopt the full Medicaid expansion as required by the ballot initiative.

Virginia The Virginia General Assembly approved Medicaid expansion as part of its FY 2019-2020 budget on May 30, 2018; Governor Northam signed the budget into law on June 7, 2018. Expansion coverage became effective under state plan amendment (SPA) authority on January 1, 2019 after enrollment began on November 1, 2018.
Wisconsin Wisconsin covers adults up to 100% FPL in Medicaid but did not adopt the ACA expansion.

Medicaid Expansion Resources