How far back can I recover underpayments from a payer?

How far back you can recover depends on your contract and state law — commercial timely-filing and reprocessing windows commonly run 12 to 24 months, though some contracts and state prompt-pay laws allow longer. The practical limit is usually the contract's claim-dispute window, so the sooner you find a systematic underpayment, the more of the back-run you can still recover.

What actually matters

• Check your payer contract first — it sets the claim-dispute and reprocessing window that usually governs
• State prompt-pay and unfair-claims laws can extend the window, sometimes to several years, and may add interest
• Underpayments are systematic — one wrong loaded rate underpays every claim in that code family — so a back-run can be large once you find it
• Self-funded (ERISA) plans follow the plan document, not state prompt-pay law, so their windows differ
• The longer an underpayment goes undetected, the more of the earliest claims fall outside the window — detection speed is money

Common questions

Where Volari fits: Volari's underpayment lane finds systematic below-contract payments and recovers the back-run to the contract's window — see your exposure at /underpayment-recovery.

See the revenue you're owed but never collected.

A free assessment shows your real recoverable number from denied and underpaid claims. No risk, paid only on what we recover.