Maryland Code, Courts and Judicial Proceedings § 3-8A-17.10

(b)(1) Except as provided in paragraph (2) of this subsection, any statement made by the child or information elicited during a competency hearing, in connection with the determination of competency, or while services are being provided under this subtitle, and any report prepared by a qualified expert, may not be admitted in evidence in any proceeding except a proceeding relating to the child's competency to proceed.

(2) Paragraph (1) of this subsection does not apply if the counsel for the child introduces the report of the qualified expert, or any part of it, in any hearing other than a competency hearing.