Authorization requiredAuthorization number invalidScope mismatch
Prior Authorization Missing or Does Not Match
The payer expected authorization, or the approval does not match the billed provider, service, setting, units, or dates.
First checks
- 1Confirm requirement for the exact payer product and date.
- 2Compare authorization scope to the claim.
- 3Read denial detail for missing number versus clinical denial.
Resolution path
- 01Correct omitted approval data.
- 02Request a payer correction when the valid approval was not matched.
- 03Use retroactive or appeal channels only when allowed.
- 04Fix handoff controls between authorization, scheduling, and billing.
Evidence packet
- Authorization decision
- Portal history
- Clinical request
- Claim and approval comparison
Prevent the next denial
Reconcile the scheduled service and every change to the authorization decision before furnishing and claim release.
Official sources
Related denial guides
Use the current payer notice, contract, code set, policy, and filing instructions. This guide is educational and does not determine patient liability or appeal rights for an individual claim.