Between strict documentation standards, precise coding requirements, and third-party administrator (TPA) portals, the margin for error is razor-thin. But for agencies that master the process, the VA Community Care Network (VACCN) offers a stable, scalable reimbursement stream.

This guide provides a detailed walkthrough of everything from CPT and HCPCS codes to claim corrections, overpayments, and recoupments, so your agency can stay compliant, get paid faster, and avoid costly rework.

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Ways to Bill

Billing Foundations: HCPCS and Revenue Codes

Navigating TPA Portals (Optum & TriWest)

VA Fee Schedules and Reimbursement Methodologies

Common Billing Errors and How to Avoid Them

Correcting and Resubmitting Denied or Rejected Claims

Overpayments, Recoupments, and Refunds

Troubleshooting Other Common Problems

Escalation Matrix

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What to read next:

Continue on to the next section to read about payment and reimbursement. It’ll answer questions like:

• What are the timelines for VA payments?
• How should you reconcile (and avoid) discrepancies?
• How can you improve cash flow while billing VA?

Read our guide to the VA payment and reimbursement process.

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