Cal. Health & Safety Code § 1367.67

Every health care service plan contract that provides hospital, medical, or surgical coverage, that is issued, amended, delivered, or renewed in this state on or after January 1, 1994, shall be deemed to include coverage for services related to diagnosis, treatment, and appropriate management of osteoporosis. The services may include, but need not be limited to, all Food and Drug Administration approved technologies, including bone mass measurement technologies as deemed medically appropriate.