Maryland Health - General Section 17-103

      (a)      Except as otherwise provided, the Secretary may set a fee for any service of a public health and clinical laboratory in accordance with § 2-104 of this article.

      (b)      The Secretary may not impose any fee for any service of a public health and clinical laboratory in connection with:

            (1)      An examination or analysis of a water supply;

            (2)      An examination or analysis of milk; or

            (3)      An inquiry that any health officer or physician makes about a communicable disease.