No person may undergo HIV testing without the person's consent except:
(1) Pursuant to RCW 7.70.065
for incompetent persons;
(2) In seroprevalence studies where neither the persons whose blood is being tested know the test results nor the persons conducting the tests know who is undergoing testing;
(3) If the department of labor and industries determines that it is relevant, in which case payments made under Title 51
RCW may be conditioned on the taking of an HIV antibody test; or
(4) As otherwise expressly authorized by this chapter.