Cal. Health & Saf. Code § 1339.585
For a person without health coverage, a hospital shall provide the person with a written estimate of the amount the hospital will require the person to pay for the health care services, procedures, and supplies that are reasonably expected to be provided to the person by the hospital, based upon an average length of stay and services provided for the person's diagnosis. The hospital may provide this estimate during normal business office hours. In addition to the estimate, the hospital shall provide information about its financial assistance and charity care policies and contact information for a hospital employee or office from which the person may obtain further information about these policies. The hospital shall also provide the person with an application form for financial assistance or charity care. This section shall not apply to emergency services provided to a person pursuant to Section 1317.
Ca. Health and Saf. Code § 1339.585