Prior authorization backlogs delay care because patients cannot be treated until the payer approves the service, and they cost revenue because delayed, denied, or canceled services mean slower or lost payments. The way out is to track every pending request daily, send complete documentation the first time, and give prior auth work clear ownership.
Prior authorization (prior auth) is a payer’s approval before a service is given. Below, you will see why prior auth requests pile up, what a backlog does to patient care and your revenue cycle, and how to clear it for good.

What a prior authorization backlog is and why it builds up
A prior authorization backlog is every request your team has not finished: requests not yet sent, requests waiting on the payer, and requests stuck on a missing form or note. Each one is a patient waiting for care.
Backlogs grow for simple reasons. Practices complete about 39 prior authorizations per physician every week. Every payer has its own rules, and those rules change often. Requests bounce back when the documentation does not show medical necessity, meaning proof that the service is needed. And in many practices, prior auth is done by staff who also answer phones or post payments, so it only gets done when there is time.
How backlogs delay patient care
When a request is stuck, the care behind it is stuck too. Appointments, procedures, imaging, and medications get pushed back while approvals wait. 95% of physicians say prior authorization delays access to necessary care, and 79% say patients have abandoned recommended treatment because of it. Patients who give up or go elsewhere may see their health suffer, and your practice may lose them for good. Long waits also mean more status calls to your front desk.
The stakes can be high. 26% of physicians report that prior authorization has led to a serious adverse event for a patient in their care. Even when the outcome is less serious, a patient who waits weeks for an approved scan or treatment starts to lose trust in the practice, and that affects whether they come back.

How backlogs cost your practice revenue
Prior authorization delays hit revenue in three ways. The first is denials. A service done without a valid authorization can be denied, and these denials are hard to win on appeal. A missed payer rule change can also cause a quiet rise in your denial rate.
Each of these denials also creates rework. Someone has to pull the records, find out what went wrong, and decide whether an appeal is worth the effort. Many practices simply cannot keep up, and more than half of physicians say they lack the staff or time to appeal denials.
The second is scheduling. When an approval does not arrive in time, the visit is moved or canceled, and that empty slot usually cannot be billed.
The third is staff time, since prior auth takes about 13 hours of physician and staff time each week. Together, these slow your cash flow. Services happen later, claims go out later, and some payments never come in.
Warning signs your backlog is growing
- Rescheduled appointments: visits move because approvals are still pending.
- More “no authorization” denials: claims are denied for missing or expired authorizations.
- Old requests: pending requests are older than your target, such as one week.
- Overtime: staff stay late to catch up on prior auth.
- Status calls: patients keep calling to ask if their treatment is approved.
If you see two or more of these, your backlog is growing faster than your team can clear it.
How to clear a prior authorization backlog
Clearing a backlog takes a clear workflow and one owner. These steps help:
- Sort by appointment date. Handle requests for the soonest appointments first.
- Keep a payer rules guide. List each payer’s prior auth rules and forms in one place, and update it when policies change.
- Send complete documentation the first time. Make sure clinical notes clearly support medical necessity before you submit.
- Check open requests daily. Use payer portals or electronic prior authorization where you can. Software helps, but automation still needs people to handle exceptions.
- Set an escalation path. Decide who handles urgent cases and peer-to-peer reviews with the payer’s reviewer.
- Give prior auth to dedicated staff. Prior authorization staff who do only this work learn payer rules and keep requests moving. Two in five physicians already employ staff who work only on prior authorization, and specialty practices gain the most because general billing teams often miss specialty payer rules.
How to keep the backlog from coming back
Clearing a backlog once is not enough if the same habits keep creating it. The goal is to catch prior auth needs earlier and watch a few numbers every week.
Start at scheduling. When a patient books a service that needs prior auth, your scheduling team should flag it right away, so the request goes out days before the visit, not the day before. Before each visit, check that the authorization is still valid, since approvals can expire or cover only a set number of visits.
Then track three simple numbers each week: how many requests are pending, how old the oldest ones are, and how many claims were denied for missing authorizations. If any of these start to climb, you will spot the problem before patients feel it. Finally, review payer updates every month and add any new prior auth rules to your payer guide, so your team never works from old rules.
How new prior authorization rules may affect your practice
Under the CMS Interoperability and Prior Authorization Final Rule (CMS-0057-F), certain payers, including Medicare Advantage plans and Medicaid and CHIP programs, must now decide prior authorization requests for medical items and services within 72 hours for urgent requests and seven calendar days for standard ones. They must also give a specific reason when they deny a request, which makes it easier to fix and resubmit, and they must publish their prior authorization numbers each year. These rules generally began on January 1, 2026, and electronic prior authorization systems follow in 2027.
Faster payer decisions help only if your team sends complete requests quickly. A payer that decides in seven days cannot fix a request that sat in your queue for two weeks.

Frequently asked questions
What is a prior authorization backlog?
It is the group of prior auth requests your practice has not finished, whether they are waiting to be sent, waiting on the payer, or missing information. Each one is a patient waiting for care.
How do prior auth delays affect patient care?
They push back appointments, procedures, imaging, and medications. Some patients give up on treatment or go to another practice, and their health can suffer while they wait.
How long should prior authorization take?
It depends on the payer. Since 2026, certain payers such as Medicare Advantage and Medicaid plans must decide standard requests within seven calendar days and urgent ones within 72 hours.
How do prior authorization delays cost my practice money?
Through denials for missing authorizations, empty schedule slots, extra staff time, and slower cash flow.
How can a small practice reduce prior auth delays?
Sort requests by appointment date, track each payer’s rules, send complete documentation the first time, check open requests daily, and give one person clear ownership.
Should prior authorization be handled by dedicated staff?
For most busy practices, yes. Staff who focus only on prior auth keep requests moving, while staff who fit it in between other tasks tend to fall behind.
Where BizForce Healthcare fits
BizForce Healthcare places dedicated prior authorization staff, along with specialists for billing, coding, AR and collections, and denials and appeals. Each specialist works only for your organization, in your systems, under your managers, so prior auth has one clear owner who knows your payers. Our specialists have an average of 5 years of experience, with experience in the systems you run.
You interview and choose each specialist before any commitment, and BizForce Healthcare’s client success team stays involved after the start. We are HIPAA compliant and SOC 2 compliant, and our staffing comes at a flat monthly rate with no long-term contracts and no placement fees.
See who could help your team clear prior authorizations faster. Book a 15-minute consultation