Maryland Health - General Section 17-211

      (a)      A laboratory issued a license under this subtitle shall enroll in and continue to demonstrate satisfactory performance as defined by the Secretary by regulations in a proficiency testing program or programs approved by the Secretary.

      (b)      The Secretary shall adopt regulations that:

            (1)      Define satisfactory proficiency testing performance; and

            (2)      Set the standards and requirements that a proficiency testing program must meet before it can be designated as an approved program.