Cal. Welf. & Inst. Code § 1768.9
(b) Prior to ordering a test pursuant to subdivision (a), the chief medical officer shall ensure that the subject of the test receives pretest counseling. The counseling shall include:
(4) Precautions to avoid exposure and transmission.
The chief medical officer shall also encourage the subject of the test to undergo voluntary testing prior to ordering a test. The chief medical officer shall also ensure that the subject of the test receives posttest counseling.
(c) The following procedures shall apply to testing conducted under this section:
(d) All counseling and notification of test results shall be conducted by one of the following:
(g) Notwithstanding any other provision of law, the chief medical officer of a facility of the Department of the Youth Authority may do all of the following: