The appointment is on the calendar, the doctor has written the order, and the clinic says everything is set. Then a call comes the day before: the procedure cannot go ahead yet. The insurance plan has not signed off.
It feels backwards. The service is covered, the doctor says it is needed, and the plan says it is not ready. What approval is the plan waiting for, and who was supposed to ask for it?
The answer is a step called prior authorization. It is common, it is often invisible until something goes wrong, and a few simple habits can keep it from derailing your care or your bill.
What prior authorization means
Prior authorization (also called prior approval, pre-authorization or pre-certification) is a decision your insurance plan makes before a service, test or medication, about whether it will be covered. The plan reviews the request against its own rules, and then approves it, denies it or asks for more information.
Plans commonly use it for things like certain imaging, some surgeries and hospital stays, specialty drugs, and some equipment. Which services need it, and which do not, depends entirely on your plan. Two people with different plans can need approval for very different things.
Why plans require it
From the plan’s side, the stated goals usually include confirming that a service fits its coverage rules, checking that it meets its medical criteria, and comparing it with other options it considers appropriate. Patients and doctors often see it differently, pointing to delays and extra paperwork.
You do not have to settle that debate to use the system well. What matters in practice is that the requirement exists, that it has deadlines and details, and that skipping it can change who pays.
Three words that get mixed up
This is why a clinic can say “your plan covers this” and “we are waiting on approval” in the same breath. Both statements can be true.
Related: You Found the Right Specialist. So Why Could Your Insurance Still Say No?
Who usually asks for the approval
For in-network care, the provider’s office often submits the request to the plan, since they have the clinical details the plan wants. But “often” is not “always,” and the responsibility can shift depending on the situation.
- In-network provider: the office commonly handles the request, though it is still smart for you to confirm that it was sent.
- Out-of-network provider: the rules are plan-specific. You may need to take a more active role.
- Pharmacy drugs: the pharmacy may tell you approval is needed, and your prescriber usually submits the supporting information.
The safest assumption is that nobody will chase this for you, and that a short question to the office can prevent a long problem.
What an approval actually covers
An approval is usually narrow. It tends to be tied to specific details, and if those details change, the approval may no longer match.
So a change in any of these can matter: a different facility, a later date, an additional procedure added during surgery, or more visits than the notice allows. When something is different from what was approved, ask the office and the plan whether the approval still applies.
Also notice what the notice does not promise. Many approvals state that they are not a guarantee of payment. Other plan rules, such as eligibility on the date of service, the deductible and the network, can still affect the final bill.
Related: Your Claim Was Approved. Then the Bill Arrived. Why?
What can happen without it
If a service that needed approval is done without it, plans may deny the claim for that reason alone, even when the care was appropriate and would otherwise be covered. Depending on your plan and the situation, the cost might land on you, on the provider, or be worked out through an appeal. The outcome varies, so it is worth confirming before the service, not after.
Emergency care is generally handled differently from planned care, and many plans do not require approval before an emergency. Your plan documents explain how it treats emergencies and follow-up care.
Plan, then ask: a simple timeline
- When the doctor recommends something. Ask: “Does this need prior authorization on my plan?” It is a normal question and offices hear it often.
- Before you schedule. Ask whether the request has been sent, and when it was sent.
- While you wait. Ask the office to tell you the decision, and check your insurer’s portal if it shows requests.
- When you get the decision. Save the notice and the reference number. Check that the service, provider and dates match your plan.
- The day before the service. Confirm with the provider that the approval is on file and that nothing has changed.
Questions to ask your doctor’s office
1. “Does this service need prior authorization from my plan?”
2. “Has the request been submitted, and what is the reference number?”
3. “Is the approval for this exact provider, location and date range?”
4. “What happens if the date changes or something more is added?”
Related: Before You Say Yes to a Medical Test, Ask These 7 Questions
If the request is denied
A denial is a decision, not the end of the road. Plans generally must tell you the reason and explain how to challenge it. What you do next depends on your plan, but the usual path looks like this:
- Read the denial notice and write down the reason and the deadline to appeal
- Ask your doctor’s office whether they can send more clinical information
- Ask whether the plan offers a conversation between your doctor and the plan’s reviewer, often called a peer-to-peer review
- If waiting could harm your health, ask about a faster review for urgent situations
- Keep copies and notes of every call: date, name and reference number
- If the plan stands by its decision, ask about the next level of review, including independent review where it applies
Related: The Tiny Detail on an Insurance Claim That Can Cause a Big Problem
Prior authorization for medications
Prescriptions can need approval too. Plans may require it for certain drugs, especially expensive or specialty medicines, or they may ask you to try a different drug first. If the pharmacy says a medicine needs approval, the usual next step is for the pharmacy to contact your prescriber, who submits the request.
Ask the pharmacy what exactly is needed and ask the doctor’s office who will submit it. Never stop or change a medicine on your own because of an approval delay. Talk to your prescriber about what to do in the meantime.
Related: Your Prescription Is Covered. That Still Doesn’t Tell You the Price
Approved, denied or pending: what each can mean
| Status | What it can mean | A sensible next step |
|---|---|---|
| Approved | The plan agreed the service meets its rules, for the details on the notice | Check service, provider and dates, and save the reference number |
| Pending | The plan is still reviewing or waiting for information | Ask the office what is missing and who is following up |
| Denied | The plan decided not to approve as requested | Read the reason, check the deadline, ask about appeal |
| Not required | Your plan says approval is not needed for that service | Ask for that in writing or save the portal screen |
Two things people get wrong
Which situation looks like yours?
Frequently asked questions
Does every procedure need prior authorization?
No. It depends on your plan and the service. Many routine visits do not need it, while some tests, surgeries, hospital stays and drugs may. Check your plan documents or call the number on your card.
How long does it take?
It varies by plan, service and how complete the request is. Ask the office when the request was sent and ask your plan about its usual timeframe, including any faster process for urgent situations.
Can an approval expire?
Often yes. Approvals commonly apply to a specific date range or number of visits, so a delay can mean the approval needs renewing. Check the dates on the notice.
What if I already had the service and the claim was denied for no approval?
Ask your plan and the provider what options exist, such as a review or appeal. What is possible depends on your plan and the circumstances, so act promptly and keep records.
Keep reading
Sources to review: HealthCare.gov, CMS.gov, your plan’s Summary of Benefits and Coverage, your insurer’s website.
This article is educational information, not legal, medical or financial advice. The notice and examples shown are fictional, and rules vary by plan and state. Never delay urgent medical care because of paperwork. Check your plan documents for the rules that apply to you.