CONFIDENTIALITY.

(a) Except as specifically authorized by this chapter, reports, records, and information furnished to a health authority, a regional director, or the department that relate to cases or suspected cases of children with reportable blood lead levels are confidential and may be used only for the purposes of this chapter.

(b) Reports, records, and information relating to cases or suspected cases of childhood lead poisoning and children with reportable blood lead levels are not public information under the open records law, Chapter 552, Government Code, and may not be released or made public on subpoena or otherwise except as provided by this chapter.

(c) Medical, epidemiologic, or toxicologic information may be released:

(1) for statistical purposes if released in a manner that prevents the identification of any person;

(2) with the consent of each person identified in the information;

(3) to medical personnel, appropriate state agencies, health authorities, regional directors, and public officers of counties and municipalities as necessary to comply with this chapter and related rules;

(4) to appropriate federal agencies, such as the Centers for Disease Control and Prevention of the United States Public Health Service, except that the information must be limited to the information requested by the agency; or

(5) to medical personnel to the extent necessary in a medical emergency to protect the health or life of the child identified in the information.

(d) The commissioner, a regional director or other department employee, a health authority or employee of a public health district, a health authority or employee of a county or municipal health department, or a public official of a county or municipality may not be examined in a civil, criminal, special, or other proceeding as to the existence or contents of pertinent records of or reports or information about a child identified, examined, or treated for lead poisoning or about a child possessing reportable blood lead levels by the department, a public health district, a local health department, or a health authority without the consent of the child's parents, managing conservator, guardian, or other person authorized by law to give consent.