Clearinghouse Rejections Versus Payer Denials
A 12-provider orthopedic group submits about 3,200 claims per week through a clearinghouse. On Monday the practice management report shows 410 claims with a status of 'rejected' and 275 with a status of 'denied.' The billing lead notices the rejected claims share a pattern: most have a missing or invalid referring provider NPI, and a subset have a diagnosis code the clearinghouse flags as invalid for the date of service. The denied claims are mostly 'not medically necessary' and 'service not covered.' The practice manager wants to 'resubmit everything as corrected claims today' to clear the queue before the weekly AR meeting. The group's timely filing limit with its largest payer is 90 days; the oldest rejected claim is 61 days old.
1. Distinguish the rejected claims from the denied claims and explain why they cannot be handled the same way.
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They are different failure points in the pipeline.
- Rejected claims never reached the payer. The clearinghouse (or payer front-end edits) stopped them on data validation - missing/invalid referring NPI, invalid diagnosis code for the DOS. These are pre-adjudication edits. The fix is to correct the data and submit a new (original) claim, not a corrected claim, because no claim was ever adjudicated.
- Denied claims were received and adjudicated by the payer and denied on coverage/medical-necessity grounds. These require the appeal or reconsideration process, with clinical documentation, not a simple resubmission.
Resubmitting a denied claim as a 'corrected claim' is a common error: it does not trigger the appeal process, may be denied again as a duplicate, and can burn the appeal window.
2. Given the 61-day-old rejected claim and the 90-day timely filing limit, what is the priority order and what risk must be managed?
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Priority order:
- Rejected claims first - they are closest to a hard deadline and are the most fixable. Correct the referring NPI and diagnosis codes at the source, validate against the payer's code set for the DOS, and resubmit as original claims. Track the original submission date so timely filing is measured from the date of service, not the resubmission date; some payers will honor the original receipt date if proof of timely submission exists.
- Preserve proof of timely filing for anything near the limit. If a claim was rejected at the clearinghouse, obtain the clearinghouse acceptance/rejection report showing the original submission date - this is the evidence used in a timely-filing appeal if the payer later denies.
- Denials second - work by dollar value and appeal deadline, with clinical documentation attached; do not batch-resubmit.
The risk to manage: treating a clearinghouse rejection as if the clock reset. It did not. The 61-day claim has roughly 29 days of margin; anything that requires a physician query or records request must start now, not after the AR meeting.