(b) Reimbursement to clinics and hospitals described in subdivision (a) shall be at 100 percent of reasonable and allowable costs for Medi-Cal services rendered to Medi-Cal beneficiaries. Reasonable and allowable costs shall be determined in accordance with applicable cost-based reimbursement provisions of the following regulations and publications:

1. (1) The Medicare reimbursement methodology as specified at Sections 405.2460 to 405.2470, inclusive, of Title 42 of the Code of Federal Regulations, together with applicable definitions in Subpart X of Part 405 of Title 42 of the Code of Federal Regulations to the extent those definitions are applied by the department in connection with payments to federally qualified health centers in California.
2. (2) Cost reimbursement principles outlined in Part 413 (commencing with Section 413.1) of Title 42 of the Code of Federal Regulations. In the event of a conflict between the provisions of Part 405 and Part 413, the provisions of Part 405 shall govern.
3. (3) “Cost Principles for State, Local, and Indian Tribe Governments” (OMB Circular A-87).
4. (4) “Rural Health and FQHC Manual” (CMS Publication 27).
5. (5) Subdivision (e) of Section 14087.325 and any implementing regulations.

(e)

1. (1) Payments received by clinics and hospital outpatient departments described in subdivision (a), for services rendered to populations described in Section 14182, shall be equivalent to what otherwise would have been received under this section on a fee-for-service basis.
2. (2) This subdivision shall be implemented only to the extent permitted under federal law and when federal financial participation is available.