Understanding Forwarding Balance (FB) and Overpayment Recovery (WO) in Medicare ERAs
- infozenoperations
- May 2, 2025
- 3 min read
Medicare payment adjustments can sometimes be confusing, especially when providers see terms like Forwarding Balance (FB) and Overpayment Recovery (WO) on their Electronic Remittance Advice (ERA). Understanding these adjustments is critical for accurate payment posting and revenue reconciliation.
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This blog will explain what FB and WO adjustments mean, how they affect provider payments, and how to manage them effectively.

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1. What is Forwarding Balance (FB) in Medicare ERAs?
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A Forwarding Balance (FB) occurs when Medicare identifies an overpayment and applies it as a balance carried forward to offset future payments. Instead of requesting a direct refund, Medicare deducts the overpaid amount from upcoming claim reimbursements.
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Example:
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Medicare overpays $500 for a patient’s claim.
Instead of requesting a refund, Medicare holds this amount as an FB adjustment and applies it to future payments.
The next ERA will show FB: -$500, meaning this amount will be deducted from a future payment.
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Impact on Payment Posting:
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✔ The provider must track the FB amount to ensure correct reconciliation.
✔ Future payments will be reduced until the full overpaid amount is recovered.
✔ If not monitored properly, an FB adjustment can cause discrepancies in revenue tracking.
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2. What is Overpayment Recovery (WO) in Medicare ERAs?
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Overpayment Recovery (WO) occurs when Medicare recoups an overpaid amount by directly deducting it from a current or future payment batch. Unlike FB, which holds the balance for future adjustments, WO immediately deducts the overpayment from the next reimbursement.
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Example:
Medicare determines an overpayment of $300 on a previously paid claim.
Instead of waiting for future offsets, Medicare immediately deducts $300 from the current ERA payment batch.
The ERA will show WO: -$300, reflecting the recoupment.
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Impact on Payment Posting:
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✔ Providers must track WO adjustments in their payment reconciliation.
✔ WO deductions appear as negative adjustments in the ERA and should be posted accordingly.
✔ If not accounted for, WO adjustments may cause incorrect revenue calculations.
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Best Practices for Managing FB and WO Adjustments
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✅ Regularly Review ERAs & Reports: Always check FB and WO adjustments in your remittance advice to ensure proper tracking.
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✅ Reconcile Payments Accurately: Keep a detailed log of forwarding balances and overpayment recoveries to avoid discrepancies in your financial records.
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✅ Prevent Overpayments: Ensure accurate coding and billing to minimize claim adjustments. Use Medicare’s Claim Status Inquiry to track payments and potential overpayment risks.
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✅ Address Recoupments Proactively: If Medicare issues an overpayment recovery (WO), ensure your accounting team updates revenue reports accordingly to avoid mismatched financial statements.
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Final Thoughts
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Forwarding Balance (FB) and Overpayment Recovery (WO) are common Medicare payment adjustments that every provider must understand. Proper tracking and reconciliation of these adjustments ensure a smooth revenue cycle and prevent financial mismatches.
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At InfozenRCM LLP, we help providers efficiently manage Medicare adjustments to maintain accurate revenue tracking. If you are facing challenges with FB or WO adjustments, let’s connect!
Final Thoughts
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Forwarding Balance (FB) and Overpayment Recovery (WO) are common Medicare payment adjustments that every provider must understand. Proper tracking and reconciliation of these adjustments ensure a smooth revenue cycle and prevent financial mismatches.
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At InfozenRCM LLP, we help providers efficiently manage Medicare adjustments to maintain accurate revenue tracking. If you are facing challenges with FB or WO adjustments, let’s connect!
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