Cal. Insurance Code § 10123.8

(a) Every policy of disability insurance that provides coverage for hospital, medical, or surgical expenses, that is issued, amended, delivered, or renewed on or after January 1, 2000, shall provide coverage for screening for, diagnosis of, and treatment for, breast cancer. (b) No policy of disability insurance that provides coverage for hospital, medical, or surgical expenses shall deny enrollment or coverage to an individual solely due to a family history of breast cancer, or who has had one or more diagnostic procedures for breast disease but has not developed or been diagnosed with breast cancer. (c) Every policy of disability insurance shall cover screening and diagnosis of breast cancer, consistent with generally accepted medical practice and scientific evidence, upon the referral of the insured’s participating physician. (d) Treatment for breast cancer under this section shall include coverage for prosthetic devices or reconstructive surgery to restore and achieve symmetry for the patient incident to a mastectomy. Coverage for prosthetic devices and reconstructive surgery shall be subject to the deductible and coinsurance conditions applied to the mastectomy and all other terms and conditions applicable to other benefits. (e) As used in this section, “mastectomy” means the removal of all or part of the breast for medically necessary reasons, as determined by a licensed physician and surgeon. Partial removal of a breast includes, but is not limited to, lumpectomy, which includes surgical removal of the tumor with clear margins. (f) As used in this section, “prosthetic devices” means the provision of initial and subsequent devices pursuant to an order of the patient’s physician and surgeon. (g) For purposes of this section, disability insurance does not include accident only, credit, disability income, specified disease and hospital confinement indemnity, coverage of Medicare services pursuant to contracts with the United States government, Medicare supplement, long-term care insurance, dental, vision, coverage issued as a supplement to liability insurance, insurance arising out of a workers’ compensation or similar law, automobile medical payment insurance, or insurance under which benefits are payable with or without regard to fault and that is statutorily required to be contained in any liability insurance policy or equivalent self-insurance.