Prior authorization requires your insurer to approve a treatment before it is provided. The stated purpose is ensuring appropriateness; the practical effect is delay, and delay in medical care has consequences that administrative processes do not always account for.
Patients frequently treat this as something happening to them. It is a process they can move.
This is general information, not medical or legal advice. Procedures vary by insurer and jurisdiction.
What changed in 2026
- Electronic submission expanded. Automated authorization request systems reduced turnaround for routine approvals.
- Timeline requirements tightened. Regulatory rules mandating decision timeframes, particularly for urgent requests, strengthened in several jurisdictions.
- Automated denial scrutiny increased. Attention to algorithmic review, including very rapid denials, grew among regulators.
- Gold-carding spread. Programmes exempting consistently-approved providers from authorization requirements expanded.
How the process runs
| Stage |
Who acts |
Typical timing |
| Provider identifies the requirement |
Provider |
At the point of ordering |
| Request submitted with clinical documentation |
Provider |
Same day to days |
| Insurer review |
Insurer |
Days for standard; shorter for expedited |
| Approval, denial, or request for more information |
Insurer |
— |
| Peer-to-peer review if denied |
Provider and insurer reviewer |
Days |
| Formal appeal if still denied |
Patient or provider |
Weeks |
The most common cause of delay is the second row taking longer than it should — the request sitting in a queue at the provider's office, or being submitted without the documentation the insurer requires.
That is where patients have leverage. Calling the provider's office to confirm the request was submitted, and calling the insurer to confirm it was received, identifies stalls that would otherwise persist unnoticed.
What patients can do
Ask whether authorization is required before scheduling. Discovering it afterwards means starting the clock late.
Get the reference number for the request and use it when calling.
Confirm submission with the provider and receipt with the insurer. These are different things and both fail.
Ask what documentation was included. Denials for insufficient information are common and fixable by supplying what was missing.
Request expedited review where the situation is urgent. It must generally be requested explicitly and it carries much shorter mandated timelines.
Ask the provider to request a peer-to-peer review if denied. This puts your treating clinician in direct conversation with the insurer's reviewing clinician, and it reverses denials more efficiently than a written appeal because the clinical reasoning can be discussed directly.
Document every call — date, name, reference number, what was said.
Common obstacles
Step therapy. Requirements to try a less expensive treatment first before the prescribed one is approved. Exceptions exist where the alternative is contraindicated or has already failed, and requesting the exception requires the provider to document that.
Formulary restrictions. A prescribed medication not on the covered list. Exception processes exist and require clinical justification.
Quantity limits. Approval for less than prescribed. Appealable with documentation of need.
Network requirements. Authorization contingent on using a specific provider, which interacts with the issues in in-network versus out-of-network.
If a denial persists after peer-to-peer review, the formal appeal process applies — covered in appealing an insurance denial.
Common mistakes
- Waiting passively. Requests stall; calling moves them.
- Not confirming both submission and receipt. Both fail independently.
- Not requesting expedited review when urgent. Must be asked for.
- Skipping peer-to-peer. The fastest reversal route.
- Not asking what documentation was submitted. Missing information is a common denial cause.
- No record of calls. Disputes run long.
FAQ
How long should approval take?
Standard requests typically take days; expedited requests much less where regulation mandates it. Timelines vary by jurisdiction and plan.
Can I proceed without authorization?
You can receive care and the insurer may decline to pay. Retrospective authorization is sometimes possible for emergencies.
What if my treatment is time-sensitive?
Request expedited review explicitly and have the provider document the urgency.
Who appeals a denial — me or my doctor?
Either, and provider-led clinical appeals are generally more effective for medical necessity denials.
Where to go next
For appeals, read appealing an insurance denial. For network questions, in-network versus out-of-network, and for medication costs, prescription savings guide.