California is spending more than it expected on Medi-Cal and Republican lawmakers are pointing to coverage expansions that benefited immigrant households.

California’s Medicaid program has borrowed $3.4 billion from the state’s general fund — and will likely need even more — to cover ballooning health expenses for 15 million residents with low incomes and disabilities.

California will need to borrow $3.44 billion to close a budget gap in the state’s Medicaid program, Newsom administration officials told lawmakers Wednesday in a letter obtained by POLITICO. The budget pressure will bring fresh scrutiny to the state’s coverage of undocumented immigrants,