(a) The OIG may waive the calculation of an overpayment by extrapolation for any of the RUG classifications found in error.
(b) A provider must request a waiver of extrapolation in writing on or before the 15th calendar day after receipt of the final notice of overpayment. The provider's request for waiver of extrapolation must include sufficient evidence to demonstrate good cause for the waiver. The OIG may request additional evidence or documentation from the provider or other sources in evaluating the request.
(c) The OIG is vested with the sole discretion to evaluate the provider's showing of good cause and to determine whether waiver of extrapolation is warranted.
(d) The decision to grant, deny, or modify a request for waiver of extrapolation is not subject to administrative or judicial review.

Source Note: The provisions of this §371.230 adopted to be effective February 9, 2023, 48 TexReg 503