California Code, Health and Safety Code - HSC § 124075

(a) In order to ensure the maximum utilization of the California Medical Assistance Program and other potential reimbursement sources, the department shall develop a schedule and method of reimbursement at reasonable rates for services rendered pursuant to this article. The reimbursement schedule shall include provision for well child examinations as well as for administrative expenses incurred by providers pursuant to meeting this article. Inquiry shall be made of all recipients of services under this article as to their entitlement for third-party reimbursement for medical services. Where an entitlement exists it shall be billed. Notwithstanding subdivision (c) of Section 14000 of the Welfare and Institutions Code and Section 14005 of that code, the California Medical Assistance Program shall be billed for services rendered pursuant to this article for every Medi-Cal eligible beneficiary.

(b) The department and counties shall maximize the use of federal funds for carrying out this article, including using state or county funds to match funds claimable under Title 19 of the Social Security Act. Services and administrative support costs claimable under federal law shall include, but not be limited to, outreach, health education, case management, resource development, and training at state and local levels. Any federal funds received shall augment and not replace funds appropriated from the General Fund for carrying out the purposes of this article.