| (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.
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