This chapter shall not apply to investigations of fraud in the provision or receipt of Medi-Cal benefits, investigations of insurance fraud performed by the Department of Insurance or the California Highway Patrol, investigations of workers' compensation insurance fraud performed by the Department of Corrections and conducted by peace officers specified in paragraph (2) of subdivision (d) of Section 830.2, and investigations and research regarding occupational health and safety performed by or under agreement with the Department of Industrial Relations. Access to medical records in these investigations shall be governed by all laws in effect at the time access is sought.
Ca. Pen. Code § 1543