The service was performed and the authorization was not obtained. The decision tree is: attempt retroactive authorization, then appeal, then determine whether the patient can be billed — and in many contracts they cannot, because the failure was administrative rather than theirs.
It has happened in every practice. The service was delivered, the authorization was not obtained, and the claim denied. What follows determines whether it becomes a write-off, a recovery, or a compliance problem.
Step one: was authorization actually required?
Check the plan's requirement for that code, that site of service, that date. Requirements change, and staff sometimes obtain authorizations that were never needed — and sometimes skip ones that were added recently.
Step two: does a retroactive path exist?
Emergency, retroactive eligibility, or documented payer error may support an after-the-fact request. Windows are short and run from the service date rather than from discovery.
Step three: is it appealable?
If the service was clearly medically necessary and the failure was administrative, an appeal is sometimes successful — particularly where the plan's own systems contributed. Document the attempt if there was one.
Step four: can the patient be billed?
This is where practices create real exposure. In many contracts, a provider may not bill the patient for a service denied because the provider failed to obtain authorization. The failure was yours, and the contract assigns the loss accordingly.
Billing the patient anyway can breach the payer contract, and where the patient is covered by certain programs it can be prohibited outright. "The insurance denied it" is not a sufficient basis, because the reason for the denial is what decides.
Step five: write it off properly
Record it under an administrative-error category rather than general bad debt. That is what makes the total visible, and the total is the argument for fixing the process that produced it.
Move fast, in the right order
Retroactive authorization first, because it is the only clean recovery. Appeal second. Patient billing last and only where the contract permits it and the patient was informed beforehand.
Reversing that order — billing the patient because it is easiest — is how a process failure becomes a complaint and sometimes a contract breach.
Written consent has to precede the service
A waiver signed after the fact does not create patient liability where the contract prohibits it. The consent has to be informed, specific and before delivery.
Generic financial responsibility language in intake paperwork is rarely sufficient for this.
Count them and find the pattern
Missed authorizations cluster — one service line, one scheduler, one payer whose requirements changed. Treating each as an isolated error means the pattern persists.
A monthly count by service and payer usually points straight at the cause.
Common questions
- Can I bill the patient if I failed to get authorization?
- Usually not. Most payer contracts prohibit billing the patient for services denied because the practice did not obtain required authorization.
- What should I do first when authorization was missed?
- Attempt a retroactive authorization immediately. The windows are short and it is the only route that recovers the full amount cleanly.
- Can I appeal an authorization denial?
- Yes, particularly where the service was medically necessary and the failure was administrative. Success varies, and the argument is stronger with contemporaneous documentation.
- When can the patient be billed?
- Generally only where they were informed in advance that the service was not authorized and accepted financial responsibility in writing before it was provided.
- How do I stop this recurring?
- A pre-service check that blocks scheduling or delivery without authorization on file for services that require it. Reactive fixes do not prevent the next one.
Denials Piling Up?
We handle the revenue cycle end to end — coding by certified coders, claim submission, denial management and appeals, and A/R follow-up, with six reported numbers every month.