California Code, Welfare and Institutions Code - WIC § 16586

(b) “Child” means a minor under 18 years of age, or a nonminor under 21 years of age who is eligible to reenter foster care pursuant to Section 388.1.

(c) “Pregnant or parenting foster youth” means a child or nonminor dependent in foster care who is a parent, or an expectant parent of an unborn child.

(d) “Prevention plan” means a written document that meets the requirements set forth in Section 471(e)(4) of the federal Social Security Act (42 U.S.C. Sec. 671(e)(4)).

(e) “Prevention services” means the services or programs described in Section 471(e) of the federal Social Security Act (42 U.S.C. Sec. 671(e)), including those services or programs with eligible adaptations, as permitted by the United States Department of Health and Human Services, Administration for Children and Families, which includes, but is not limited to, eligible adaptations to increase the cultural relevancy of a service or program.  Prevention services, as defined for purposes of this subdivision, are not Medi-Cal services unless all state and federal Medicaid requirements are met, any necessary federal approvals are obtained, and medical assistance federal financial participation is available and is not otherwise jeopardized.