California Code, Health and Safety Code - HSC § 1342.74

(b) Notwithstanding any other law, a health care service plan shall not prohibit, or permit a delegated pharmacy benefit manager to prohibit, a pharmacy provider from dispensing preexposure prophylaxis or postexposure prophylaxis.

(c) A health care service plan shall cover preexposure prophylaxis and postexposure prophylaxis that has been furnished by a pharmacist, as authorized in Sections 4052.02and 4052.03 of the Business and Professions Code, including the pharmacist's services and related testing ordered by the pharmacist. A health care service plan shall pay or reimburse, consistent with the requirements of this chapter, for the service performed by a pharmacist at an in-network pharmacy or a pharmacist at an out-of-network pharmacy if the health care service plan has an out-of-network pharmacy benefit.

(d) This section does not require a health care service plan to cover preexposure prophylaxis or postexposure prophylaxis by a pharmacist at an out-of-network pharmacy, unless the health care service plan has an out-of-network pharmacy benefit.

(e) This section shall not apply to Medi-Cal managed care plans contracting with the State Department of Health Care Services pursuant to Chapter 7 (commencing with Section 14000), Chapter 8 (commencing with Section 14200), or Chapter 8.75 (commencing with Section 14590) of Part 3 of Division 9 of the Welfare and Institutions Code, to the extent that the services described in this section are excluded from coverage under the contract between the Medi-Cal managed care plans and the State Department of Health Care Services.