Prior Authorization & ReferralsBeginnerFresher / Entry-Level Candidate Medical Billing Executive AR Representative RCM Specialist Authorization Specialist

What information is typically required when requesting prior authorization from an insurance payer?

Short Answer

A prior authorization request typically includes the patient’s insurance details, provider information, requested service or procedure, diagnosis, clinical justification, date or range of service, and supporting medical documentation. The exact requirements vary by payer, plan, and service.

Detailed Answer

When requesting prior authorization, the goal is to provide the payer with enough accurate information to review whether the planned service meets the patient’s benefit and medical necessity requirements.

The request usually begins with the patient’s insurance and demographic information, such as:

Patient name
Date of birth
Member or subscriber ID
Group number when applicable
Payer and plan information
Relationship to subscriber when relevant

The payer also needs provider information, which may include:

Ordering provider
Rendering provider
Billing provider
NPI
Practice or facility information
Service location
Provider contact information

The request should clearly identify the service being requested. This may include:

CPT or HCPCS code
Procedure or service description
Number of visits or units
Requested frequency
Planned date of service or date range
Place of service

Clinical information is also important. Depending on the service, the payer may require:

Diagnosis or ICD-10-CM code
Clinical notes
Medical necessity documentation
Imaging or laboratory results
Previous treatment history
Failed conservative treatment
Specialist recommendations
Treatment plan

The exact clinical documentation depends on the payer and the service being requested.

The authorization team should also confirm whether the payer requires the request to be submitted through a specific channel, such as:

Payer portal
Electronic authorization system
Fax
Phone
Third-party utilization management vendor

After submission, the request should be documented with any available confirmation or reference number.

If the authorization is approved, the team should verify:

Authorization number
Approved service or procedure
Approved provider
Effective and expiration dates
Number of visits or units
Any additional conditions or limitations

This information should be recorded accurately so the claim can later match the authorization.

Because requirements vary by payer and plan, staff should not rely on a single universal checklist without confirming the payer’s specific authorization requirements.

Key Points to Mention

Verify patient insurance information.

Include ordering and rendering provider details.

Identify the exact service or procedure requested.

Provide diagnosis and clinical justification.

Include requested dates, visits, or units.

Submit supporting medical documentation when required.

Use the payer’s required submission method.

Record the authorization reference or confirmation number.

Review the approval details carefully.

Confirm payer-specific requirements rather than assuming all plans use the same process.

Example Scenario

A provider orders an MRI that requires prior authorization.

The authorization specialist verifies the patient’s active coverage, confirms the ordering and rendering provider information, and submits the requested CPT code, diagnosis, planned date of service, and relevant clinical notes through the payer portal.

The payer approves the request for one MRI within a defined date range.

The specialist records the authorization number, approved service, provider, and expiration date so the billing team can verify that the eventual claim matches the authorization.

Common Mistakes

Submitting incomplete patient or insurance information.

Using the wrong CPT or HCPCS code.

Failing to include required clinical documentation.

Requesting the wrong number of visits or units.

Not checking the authorization date range.

Using the wrong rendering provider or facility.

Failing to document the authorization number.

Assuming approval applies to services not listed in the authorization.

Using the wrong payer submission channel.

Assuming all payers require the same information.

Interview Tip

Answer this question in three parts: patient and insurance information, provider and service details, and clinical documentation. That gives the interviewer a clear and practical authorization workflow.