CA Health & Safety Code Section 1625.1

In addition to the requirements of Section 1602.1, subdivisions (a) to (c), inclusive, of Section 1002 of Title 17 of the California Administrative Code, and any other requirements identified by the State Department of Health Services, hemapheresis donors shall provide a medical history questionnaire completed by a trained interviewer who questions and verifies the accuracy of responses before every donation. The department may require testing or examinations to reflect changing technology and to increase the safety of blood products.