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What Is The Prior Authorization Process?

Published Date - Mar 25, 2021 Modified Date - May 11, 2026 6 min read
What Is The Prior Authorization Process?

The prior authorization process is seeking “approval from a health plan that may be required before you get a service or fill a prescription for the service or prescription to be covered by your plan”.

What is Authorization in Medical Billing?

Authorization in medical billing refers to the process of obtaining approval from a patient’s health insurance provider before a specific medical service or procedure is performed. It is a crucial step in the billing and reimbursement cycle, ensuring that healthcare providers receive payment for the services they provide.

Prior authorization, also known as pre-authorization, is often required for complex, costly, or specialized treatments, medications, tests, or devices. It is designed to control healthcare costs and ensure that the proposed treatment is medically necessary and covered by the patient’s insurance plan.

The authorization process typically involves the healthcare provider reviewing the policy rules or formulary of the patient’s insurance plan to determine if prior authorization is necessary. If required, the provider submits a prior authorization request form to the insurance company, providing supporting documentation and attesting to the medical necessity of the treatment.

The insurance company then evaluates the request and may approve, deny, or redirect the authorization. This process can involve back-and-forth communication between the provider and the payer until a resolution is reached.

Efficient management of the authorization process is essential to prevent delays, denials, or payment disruptions for healthcare providers and to ensure seamless patient care.

Each insurance plan is different for example- one health insurance plan may not require a PA for your treatment while another plan needs it even one from the same insurance company.

There is no need for prior authorization for all medical services performed but PA is only required for more costly, involved treatments where an alternative is available. For example, it will likely require preauthorization, if a physician prescribes an invasive procedure such as orthopedic surgery.

An alternative therapy, like injecting the patient with Cortisone to reduce pain and inflammation, is less likely to require a payer review. Nowadays, PA for medical procedures and prescribed medications are continuously rising.

This adoption is mainly driven by insurance companies searching for ways to control spiraling healthcare costs, especially those associated with innovative new specialty drugs or emerging technologies.

Now, Let’s Look At The Flow Of The Prior Authorization Process:

  • First, the Patient needs a specific procedure, test, medication, or device is determined by a healthcare provider.
  • Now, the provider needs to check the policy rules or formulary of a health plan to determine if prior authorization is required for the prescribed course of treatment. If it is required, the provider will need to formally submit a prior authorization request form and sign it to attest that the information supporting the medical necessity claim is true and accurate.
  • The staff of the provider often starts by manually reviewing prior authorization rules for the specific insurance plan associated with the patient due to a lack of integration between clinical and healthcare billing systems. However, the rules may often be found in paper documentation, PDFs, or payer web portals.
  • There is always the possibility to change payer rules frequently for example- payer rules even differ from plan to plan within a specific payer. Moreover, these rules are not standardized and differ from plan to plan.
  • If the provider confirms that there is no need for PA then it can submit the claim to the payer. However, it does not indicate that the claim will necessarily be approved.
  • However, if there is a need for PA then tracking of more specifics about each CPT code that applies to the prescribed course of treatment is required. It will also need to obtain a number assigned by the payer that corresponds to the prior authorization request and includes it when the final claim is submitted.
  • In the end, the provider is responsible to take continue to follow up with the insurance company until there is a resolution of the prior authorization request like approval, redirection, or denial. This part of the process is unstructured and often improvised hence this part of the process leads to significant wasted time and effort.

Generally, the healthcare provider is responsible for initiating prior authorization by submitting a request form to a patient’s insurance provider. Then as the steps mentioned above in the flow of the prior authorization process section take place it often prompts a time-consuming back and forth between the provider and payer.

In many cases, before the payer will accept the authorization request, the licensed provider is required to sign the order, referral, or requisition.

However, there can be an option for prior authorization where the physician can recommend an alternative drug or service that is covered by the patient’s health insurance plan.

In some cases, insurance companies need patients to start on a less costly medication or service to check to see if the patient sees results or needs more costly therapy.

Need Assistance in Medical Billing?

Medical Billers and Coders (MBC) provides medical billing and coding services that ensure on-time and accurate billing. We understand the importance of entering the right information so there are no delays or denials on behalf of the insurance provider. To know more about our billing services, you can contact us at 888-357-3226info@medicalbillersandcoders.com

To know More About the Prior Authorization Process, Click Here: Improving Your Prior Authorization Process

FAQs

1. What is prior authorization in medical billing?

Prior authorization in medical billing is the process of obtaining approval from a patient’s health insurance provider before specific medical services, procedures, or prescriptions are performed or filled. It ensures that the treatment is medically necessary and covered under the patient’s plan, preventing payment issues later.

2. Why is prior authorization required for certain medical treatments?

Prior authorization is often required for complex or expensive treatments, tests, and medications. Insurance companies use it as a way to manage healthcare costs and ensure that the proposed services are medically necessary, especially when alternative, less costly treatments are available.

3. How does the prior authorization process work?

The prior authorization process begins when a healthcare provider identifies the need for a specific treatment. The provider checks the patient’s insurance plan to see if prior authorization is required. If necessary, they submit a request form to the insurance company, which reviews it and decides whether to approve, deny, or modify the request.

4. Does prior authorization guarantee approval of my medical claim?

No, obtaining prior authorization does not guarantee that the insurance company will approve the claim. It only means that the service is pre-approved for coverage. The provider must still submit a final claim, and the insurance company will review it to ensure compliance with plan rules and policies.

5. What happens if prior authorization is denied?

If prior authorization is denied, the provider may need to explore alternative treatments that the insurance plan will cover. In some cases, the provider can submit additional documentation to support the original request or appeal the decision to the insurance company for reconsideration.

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