CA AB2640

Requires medical care providers administering HIV tests to inform patients before testing that the test is planned, provide test information, explain treatment options for positive results, and advise patients of the right to decline.

Mandates informed consent (oral or written) for HIV testing, with documentation maintained in the patient's medical record, with limited exceptions for alternative testing sites and independent requests at counseling centers.

Requires providers to give patients who test negative for HIV and are determined to be at high risk timely counseling explaining results, limitations of testing technology, window periods, and the need for periodic retesting.

Requires providers to inform high-risk patients who test negative about HIV prevention methods including preexposure prophylaxis (PrEP) and postexposure prophylaxis (PEP), consistent with CDC guidance, and may offer or refer to prevention counseling.