Cal. Health & Safety Code § 1374.11

No health care service plan shall deny a claim for hospital, medical, surgical, dental, or optometric services for the sole reason that the individual served was confined in a city or county jail or was a juvenile detained in any facility, if such individual is otherwise entitled to reimbursement for such services under such contract and incurs expense for the services so provided during confinement. This provision shall apply to any health care service plan contract entered into or renewed on or after July 1, 1980, whether or not such contract contains any provision terminating benefits under such plan upon an individual’s confinement in a city or county jail or juvenile detention facility.