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handle is hein.crs/govedpy0001 and id is 1 raw text is: Overview of the ACA Medicaid Expansion

Updated June 9, 2021

The primary goals of the Patient Protection and Affordable
Care Act (ACA; P.L. 111-148, as amended) are to increase
acces s to affordable health insurance for the uninsured and
to make health insurance more affordable for those already
covered. The ACA Medicaid expansion is one ofthe major
insurance coverage provisions included in the law.
Supreme Court Decision
As enacted, the ACA Medicaid expansionwas a mandatory
expansion of Medicaid eligibility to non-elderly adults with
incomes up to 133% of the federalpoverty level (FPL).
However, on June 28, 2012, in NationalFedera tion of
IndependentBusinessv. Sebelius, the U.S. Supreme Court
found that the federal governmentcould not withhold
payment for a state's entire Medicaid programfor failure to
implement the ACA Medicaid expansion. Instead, the
federal government could withhold only funding for the
ACA Medicaid expansion if a state did notimplement the
expansion, which effectively made the expansion optional.
After the Supreme Court ruling, the Centers for Medicate &
Medicaid Services (CMS) issuedguidancespecifyingthat
states have no deadline for deciding when to implement the
ACA Medicaid expansion. The guidance also stated that
states opting to implement the ACA Medicaid expansion
may end the expansion at any time. In addition, CMS issued
guidance specifying that states were not able to receive the
enhanced federal matching rates for the expansion with a
partial Medicaid expansion (i.e., covering expansion adults
up to an income level lower than 133% of FPL).
Figure I.States Implementingthe ACA Medicaid
Expansion, May 202 I

ND
SD

Not Implemented
12 States
SImplemented
UPending
Implementation
2 States

Source: Congressional Research Service.
Note: ACA = Patient Protection and Affordable Care Act.
States' Decisions
Since January 1,2014, states havehadthe optionto extend
Medicaid coverage to most non-elderly adults with income
up to 133% ofFPL. Twenty -five states (including the

District of Columbia) implemented the ACA Medicaid
expansion at that time. Since then, the following 12 states
have implemented the expansion: Michigan (April 1, 2014),
New Hampshire (July 1,2014), Pennsylvania (January 1,
2015), Indiana (February 1,2015), Alaska (September 1,
2015), Montana (January 1, 2016), Louisiana (July 1,
2016), Virginia (January 1,2019), Maine (January 10,
2019), Idaho (January 1,2020), Utah (January 1,2020), and
Nebraska (October 1, 2020). (See Figure 1.)
Oklahoma and Missouri approved ballot initiatives in June
2020 and August 2020, respectively, to implement the
expansion. Bothstates are supposedto begin coverageof
the ACA Medicaid expansion on July 1, 2021. However,
the Missouri implementation of the exp ansion is uncertain,
because the General Assembly adopted an operating budget
that does not include funding for the Medicaid exp ansion
and the governor has withdrawn a state plan amendment to
implement the Medicaid expansion. Litigation about the
Medicaid expansion in Missouriis pending.
ACA Medicaid Expansion Coverage
Most states implementing the ACA Medicaid expansion
have done so through an expansion of their existing
Medicaid programs. However, individuals covered under
the ACA Medicaid expansion are required to receive
alternative benefit plan (ABP) coverage, which is a
Medicaid benefit structure that has different requirements
than the traditional Medicaid benefits. (See CRS Report
R45412, MedicaidAlternative BenefitPlan Coverage:
Frequently Asked Questions.)
Some states operate their expansions through Section 1115
waivers, under which the Secretary of Health and Human
Services may authorize a stateto conduct experimental,
pilot, or demons trationprojects that are likely to as sist in
promoting the objectives of Medicaid. The waivers for
these states vary significantly. There are currently a few
common provisions in severalstates, such as (1) premiums
and/or monthly contributions on enrollees with income
above 100% of FPL; (2) healthy behavior incentives; (3)
waivers of the requirementto provide coverage of
nonemergency medical transportation; and (4)
dis enrollment or lock-out provisions. Arkansas has a waiver
providing premiumas sistance for Medicaid enrollees to
purchase priv atehealth insurance through thehealth
insurance exchanges.
Financing of the Expansion
The federal government's share of most Medicaid
expenditures is determined according to the federal medical
assistance percentage (FMAP) rate; exceptions to the
regular FMAP rate have been made for certain states,
situations, populations, providers, and services. There are
two FMAP exceptions for the ACA Medicaid expansion:

https://crs reports.congress.gov

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