Cal. Welf. & Inst. Code § 10951
(a)
(b)
(1) Notwithstanding subdivision (a), a person who is enrolled in a Medi-Cal managed care plan and who has received an adverse benefit determination from the Medi-Cal managed care plan shall, to the extent required by federal law or regulation, appeal the adverse benefit determination to the Medi-Cal managed care plan before requesting a state fair hearing pursuant to this chapter. After appealing to the Medi-Cal managed care plan, the enrollee may request a hearing pursuant to this chapter involving a Medi-Cal managed care plan within 120 calendar days after either of the following: