Cal. Health and Safety Code § 120580

Notwithstanding any other provision of law, a person employed by a public health department may perform venipuncture or skin puncture for the purpose of withdrawing blood for test purposes, upon specific authorization from a licensed physician and surgeon, even though he or she is not otherwise licensed to withdraw blood; provided that the person meets all of the following requirements: (1) He or she works under the direction of a licensed physician and surgeon. (2) He or she has been trained by a licensed physician and surgeon or by a licensed clinical laboratory scientist or bioanalyst in the proper procedures to be employed when withdrawing blood, in accordance with training requirements established by the department, and has a statement signed by the instructing physician and surgeon that the training has been successfully completed. (b) Any person employed by a public health department to perform venipuncture or skin puncture shall hold a valid and current certification after the effective date of the regulations adopted pursuant to Section 1246 of the Business and Professions Code.