If the conditions of sections 246.711 and 246.712 are met, the secure treatment facility shall ask the patient if the patient has ever had a positive test for a blood-borne pathogen. The secure treatment facility must attempt to get existing test results under this section before taking any steps to obtain a blood sample or to test for blood-borne pathogens. The secure treatment facility shall disclose the patient’s blood-borne pathogen test results to the employee without the patient’s name or other uniquely identifying information.