There are many Medi-Cal programs, and each has unique rules.
For Income-based Medi-Cal, Full-scope, No Share of cost, No asset limit :
“All earned and unearned income is counted based on IRS rules for adjusted gross income.
No income is disregarded.”
Modified Adjusted Gross Income (MAGI)
Total annual income of everybody living in a household, including most earned and unearned income. MAGI is used to help determine eligibility for income-based Medi-Cal.
Speak with your Medi-Cal eligibility worker and tax advisor for assistance in determining your MAGI.