Health & Safety Code 1621.5 (1985, var. amendments)

Summary:

In a criminal investigation for a knowing donation of HIV-infected blood, tissue, organs, semen or breast milk, no person shall disclose the results of a blood test to detect AIDS to any state or local agency or department unless the test results are disclosed as otherwise required by law pursuant to a search warrant, court order or subpoena.

Other Relevant California Code Sections: 
Health & Safety Code 1603.1 (for definition of "blood"); Penal Code 1524 (search warrant); C.C.P. 1985 et seq. (subpoena)
Associated Federal Law(s): 
Uses and disclosures for which an authorization or opportunity to agree or object is not required : uses and disclosures required by law