Maryland Code, Health-General § 18-337

(a) In this section, “health care provider” means a physician, a physician's designee, or a designee of a health care facility licensed or otherwise authorized to provide health care services.

(b) If an individual informed of the individual's HIV positive status under § 18-336 of this subtitle refuses to notify the individual's sexual and needle-sharing partners, the individual's physician may inform the local health officer and/or the individual's sexual and needle-sharing partners of:

(c) When the local health officer is notified, the health officer shall enforce the provisions of §§ 18-208 through 18-213.1 of this title:

(d) Each local health officer shall refer the infected individual and any known sexual or needle-sharing partners of the individual to appropriate services for the care, support, and treatment for HIV infected individuals.

(e) A physician acting in good faith to provide notification in accordance with this section may not be held liable in any cause of action related to a breach of patient confidentiality.

(f) A physician acting in good faith may not be held liable in any cause of action for choosing not to disclose information related to a positive test result for the presence of human immunodeficiency virus to an individual's sexual and needle-sharing partners.

(g) A hospital or any other health care provider acting in good faith pursuant to a physician's order to perform or interpret a test for the presence of HIV may not be held liable in any cause of action related to: