Cal. Welf. & Inst. Code § 14122

The department may provide, by regulation and consistent with the requirements of the Federal Social Security Act, for the care and treatment, or both, of persons eligible for medical assistance pursuant to Sections 14005.1, 14005. 4, and 14005.7 by providers in another state in those cases where out-of-state care or treatment is rendered on an emergency basis or is otherwise in the best interests of the person under the circumstances. (Amended by Stats. 1977, Ch. 1252.)