42 CFR § 435.220 - Optional eligibility for parents and other caretaker relatives.
(b)Eligibility. The agency may provide Medicaid to parents and other caretaker relatives defined in § 435.4 and, if living with such parent or other caretaker relative, his or her spouse, whose household income is at or below the income standard established by the agency in its State plan, in accordance with paragraph (c) of this section.
(c)Income standard. The income standard under this section -
(2) May not exceed the higher of the State's AFDC payment standard in effect as of July 16, 1996, or the State's highest effective income level for eligibility of parents and other caretaker relatives in effect under the Medicaid State plan or demonstration program under section 1115 of the Act as of March 23, 2010, or December 31, 2013, if higher, converted to a MAGI-equivalent standard in accordance with guidance issued by the Secretary under section 1902(e)(14)(A) and (E) of the Act.