PDFWAC 182-502A-0501
Entity self-audits.
(1) The medicaid agency may require an entity to self-audit.
(a) The agency gives written notice of the instruction to self-audit.
(b) The entity must acknowledge receipt of the notice within thirty calendar days of receiving it.
(c) The entity must comply with all terms included in the notice; failure to timely comply with the notice constitutes failure to comply with a program integrity activity.
(d) The agency does not require an entity to self-audit any services or encounters that are included in an active state or federal program integrity activity, rate adjustment, cost settlement, or other payment adjustment.
(e) The agency reviews the self-audit and states in writing whether it accepts or rejects the results of the self-audit. If the agency rejects the results it may:
(i) Instruct the entity to repeat the self-audit; or
(ii) Audit the entity.
(2) When an entity self-discloses overpayments, it must:
(a) Submit to the agency written notice of the self-audit and identify each claim included in the self-audit.
(b) Report and repay the overpayment to the agency within sixty calendar days of identifying the overpayment, unless the overpayment is:
(i) Included in an active state or federal program integrity activity; or
(ii) Related to a state-initiated rate adjustment, cost settlement, or other payment adjustment.
(c) The entity's overpayment report must include:
(i) The reason for the overpayment;
(ii) How the entity calculated the overpayment; and
(iii) A list of claims associated with the overpayment.
(d) The agency reviews the self-audit and states in writing whether it accepts or rejects the methodology and findings. If the agency rejects the findings it may:
(i) Instruct the entity to repeat the self-audit; or
(ii) Audit the entity.
(e) The agency does not accept any identified overpayment as full or final repayment before the completion of its review of the entity's self-audit findings.
(3) The entity's dispute and appeal rights under this section are identical to its rights during an audit conducted by the office of program integrity.