Cal. Welf. & Inst. Code § 14103.5
(a) A noncontract hospital that is in a closed health facility planning area is not eligible to receive reimbursement for services provided to a Medi-Cal beneficiary, unless either of the following apply:
(2) The noncontract hospital is a facility location of a nonprofit hospital that is an affiliate of a nonprofit health care service plan, the facility location is approved in accordance with the standards of the California Children’s Services (CCS) program, and the hospital is providing medically necessary services for treatment of the CCS-eligible condition of a patient when all of the following apply:
(c) Any treatment authorization request submitted for any service classified as a necessary emergency service, which would have been subject to prior authorization had it not been so classified, shall be supported by the attending physician’s statement that does all of the following: