Maryland Code, Health-General § 2-702

(a) Subject to the requirements of this subtitle, the Inspector General, or a contractor or an agent acting on behalf of the Inspector General, may use extrapolation during an audit to recover an overpayment from a provider if:

(b) An audit conducted by the Inspector General or a contractor or agent acting on behalf of the Inspector General under subsection (a) of this section shall be limited to the scope of the federal audit, including claims for the same audit time period and the same type of claims.