MedicaidAdministrativeMedium impact
View Job Aid to Adjust or Void a Claim Via the Provider Portal
Mississippi Medicaid (DOM)·MS·Prior Authorization
We identified it
Jun 21, 2026
Summary
This job aid provides step-by-step instructions for adjusting or voiding previously paid claims through the MESA Provider Portal. It explains the difference between claim adjustments (correcting errors on paid claims) and voids (completely canceling paid claims), along with the technical process including ICN region codes and the daisy-chain effect.
Action Required
Immediately: Billing team should review this job aid and implement the outlined procedures for adjusting or voiding claims via the MESA Provider Portal. Train staff on the step-by-step process including locating finalized payment claims, using the Edit button for adjustments, and the Void button for complete claim cancellation. Note that required attachments must be re-added during adjustments as they don't auto-populate from original claims.