Maryland Code, Insurance § 15-821

(b)(1) A policy or contract subject to this section that provides coverage on a group or individual basis for a diagnostic or surgical procedure involving a bone or joint of the skeletal structure may not exclude or deny coverage for the same diagnostic or surgical procedure involving a bone or joint of the face, neck, or head if, under the accepted standards of the profession of the health care provider rendering the service, the procedure is medically necessary to treat a condition caused by a congenital deformity, disease, or injury.

(2) This subsection does not apply to intraoral prosthetic devices.

(c)(1) This section does not affect any other coverage required under this article or restrict the scope of coverage under a policy or contract subject to this section.

(2) This section is not intended to encourage surgical procedures over appropriate nonsurgical procedures, or to prohibit the continued coverage of nonsurgical procedures in the treatment of a bone or joint of the face, neck, or head.