Medical Coverage Assistance Program for Working Individuals with Disabilities; Citing this act as the "Economic Self-Sufficiency for Working Individuals with Disabilities Act"; contingent upon federal approval, requiring the Agency for Health Care Administration to implement and administer a Medicaid buy-in program for specified individuals with disabilities under certain circumstances; requiring the agency to determine the income eligibility level for the program; specifying requirements for the program; requiring the agency to seek federal approval through a Medicaid waiver or state plan amendment by a specified date, etc.