From October 1, 2009, through September 30, 2012, the Washington State Health Care Authority (State agency) claimed $117,000 in unallowable Federal Medicaid reimbursement for dental services. The unallowable payments consisted of (1) duplicate payments, (2) payments for services that were provided more frequently than State regulations allowed, and (3) payments for certain services that required prior authorization but for which the State agency did not have a record of providing authorization.
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