42 CFR §435.229

1. (a)Basis. This section implements section 1902(a)(10)(A)(ii)(XIV) of the Act.
2. (b)Eligibility. The agency may provide Medicaid to individuals under age 19, or at State option within a range of ages under age 19 established in the State plan, who meet the definition of an optional targeted low-income child in § 435.4 and have household income at or below the income standard established by the agency in its State plan in accordance with paragraph (c) of this section.
3. (c)Income standard. The income standard established under this section may not exceed the higher of—
   1. (1)200 percent of the Federal poverty level (FPL);
   2. (2)A percentage of the FPL which exceeds the State's Medicaid applicable income level, defined at § 457.10 of this chapter, by no more than 50 percentage points (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); and
   3. (3)The highest effective income level for coverage of such individuals under the Medicaid State plan or demonstration program under section 1115 of the Act or for coverage of targeted low-income children, defined in § 457.10 of this chapter, under the CHIP State plan or demonstration program under section 1115 of the Act, as of March 23, 2010, or December 31, 2013, 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.