States that are known as “209(b)” states require individuals to apply for Medicaid through his/her state Medicaid program. These states are more restrictive than the SSI program. States that are “209(b)” states use their own criteria for Medicaid eligibility and determination.

Not all states are “209(b)” states. Please see above for states that are known as “209(b)” states and those states that have medically needy programs for individuals who are aged, blind, and disabled.

Sources/Further Reading:
http://policy.ssa.gov/poms.nsf/lnx/0501715020
http://policy.ssa.gov/poms.nsf/lnx/0501715010
http://policy.ssa.gov/poms.nsf/lnx/0501730060
http://policy.ssa.gov/poms.nsf/lnx/0501730010

​Image Courtesy: http://officepracticum.com/blog/medicaid-underpayment-tragedy-revisited/