Prior Authorization Basics for Clinics: What to Collect Upfront to Avoid Delays and Denials

Prior authorization problems rarely begin when an insurance company denies a request. More often, the trouble starts much earlier, when a patient is scheduled for a procedure, diagnostic test, specialist consultation, or treatment without all the information needed to obtain insurance approval.

A missing insurance identification number, an outdated diagnosis, an incomplete clinical note, or an incorrect procedure code may seem like a small administrative oversight. However, these issues can delay treatment, create additional work for clinic staff, and sometimes result in claims being denied after services have already been provided.

For medical practices, prior authorization is more than an insurance requirement. It is an important part of patient access, scheduling, and revenue cycle management.

The good news is that many preventable prior authorization problems can be addressed before a request is submitted.

By collecting accurate patient information, verifying insurance requirements, documenting medical necessity, and establishing a consistent authorization workflow, clinics can reduce unnecessary back-and-forth with payers and improve the likelihood of obtaining timely approvals.

This guide explains how prior authorization works, what information clinics should collect upfront, common reasons authorization requests are delayed or denied, and practical steps to improve the process.

Prior authorization, sometimes called preauthorization or precertification, is a process through which a healthcare provider requests approval from a patient’s health insurance company before delivering certain medical services, treatments, procedures, or medications.

Insurance companies use prior authorization to determine whether a proposed service meets applicable coverage requirements, including medical necessity criteria.

For example, a physician may recommend magnetic resonance imaging for a patient experiencing persistent lower back pain. Depending on the patient’s insurance plan, the imaging study may require prior authorization before it can be performed.

The insurer may review the patient’s diagnosis, symptoms, previous treatments, physical examination findings, and other clinical information before approving or denying the request.

Prior authorization requirements vary considerably between insurance companies and individual health plans.

A procedure that requires authorization under one plan may not require it under another.

Importantly, prior authorization approval does not guarantee payment. The eventual claim must still satisfy applicable eligibility, coverage, coding, billing, and other payment requirements.

The American Medical Association identifies prior authorization as a significant administrative process affecting healthcare providers and offers resources to help practices manage authorization requirements more efficiently. (Reference: American Medical Association, Prior Authorization Practice Resources.)

Prior authorization directly affects several stages of the healthcare revenue cycle.

When authorization is handled correctly, patients are more likely to receive scheduled services without avoidable administrative interruptions, and clinics are better positioned to submit claims that meet payer requirements.

When authorization is overlooked or mishandled, the consequences can extend beyond the initial approval process.

A patient may arrive for a scheduled imaging study or outpatient procedure only to discover that insurance approval is still pending.

The appointment may need to be postponed, resulting in inconvenience for the patient and disruption to the clinic’s schedule.

For practices with limited appointment availability, repeated authorization delays can also affect operational efficiency.

Incomplete authorization requests frequently require additional telephone calls, portal updates, document submissions, and communication between clinical and administrative teams.

Instead of processing a request once, staff may spend considerable time correcting information or responding to requests for additional documentation.

Some services require prior authorization as a condition of coverage.

When a required authorization is missing, expired, or inconsistent with the service performed, the resulting claim may be denied.

Even when authorization was obtained, discrepancies involving the approved procedure, provider, facility, or service dates can create payment problems.

Authorization-related denials can delay reimbursement while billing teams investigate the issue, submit corrections, or pursue appeals.

For smaller clinics, recurring delays may affect cash flow and increase the cost of collecting revenue.

Patients generally expect the clinic to explain insurance requirements before their appointments.

Unexpected cancellations, repeated requests for information, and uncertainty about insurance approval can undermine patient confidence.

The American Medical Association has documented the administrative burden and patient care delays associated with prior authorization requirements. (Reference: American Medical Association, Prior Authorization Research and Reports.)

The most effective way to reduce preventable authorization delays is to establish a standardized intake checklist.

The checklist should cover patient demographics, insurance eligibility, provider information, procedure details, clinical documentation, and payer-specific requirements.

Not every authorization request requires the same information. However, collecting the following details early can help clinics identify missing documentation before submission.

Patient demographic information is the foundation of the authorization request.

Even when the clinical documentation is complete, incorrect patient information can prevent the insurance company from matching the request to the appropriate member record.

Clinics should verify:

• Patient’s full legal name
• Date of birth
• Current residential address
• Contact telephone number
• Insurance subscriber’s name
• Relationship to the subscriber
• Patient identification number
• Insurance member identification number
• Group number, when applicable

The information should match the patient’s insurance records as closely as possible.

For example, if the patient’s insurance policy uses a legal surname that differs from the name entered into the clinic’s registration system, the authorization request may encounter eligibility or identification problems.

Front-desk staff should verify demographic information during registration rather than relying entirely on information entered during previous visits.

Insurance systems depend on accurate member identification.

Incorrect demographic information can result in unsuccessful eligibility verification, rejected authorization submissions, or requests for clarification.

These problems are particularly common when patients have recently changed insurance plans, updated their names, or moved to another address.

A brief verification process at check-in can prevent considerable administrative work later.

One of the most important steps in the prior authorization process is confirming that the patient’s insurance coverage is active.

Having an insurance card does not necessarily mean the policy remains active or that the proposed service is covered.

Before submitting an authorization request, clinics should verify:

• Whether the insurance policy is active
• The effective date of coverage
• The insurance plan and product type
• Whether the requested service is a covered benefit
• Whether the provider participates in the patient’s network
• Whether the proposed facility is in-network
• Whether a referral is required
• Whether prior authorization is required
• Whether applicable benefit limits or exclusions exist

Eligibility should be checked for the anticipated date of service whenever possible.

Consider a patient scheduled for an outpatient procedure next week.

The clinic submits an authorization request using insurance information from an appointment several months earlier.

However, the patient has since changed employers and enrolled in a different health plan.

The authorization request may be submitted to the wrong payer, resulting in unnecessary delays.

Verifying current insurance information before starting the authorization process helps prevent this situation.

Eligibility verification and prior authorization are separate processes. A patient may have active coverage but still require authorization for a particular service.

Similarly, an approved authorization does not eliminate the need to confirm eligibility and benefits.

Not every medical service requires prior authorization.

Requirements vary according to the insurance payer, plan type, procedure, diagnosis, provider network, and place of service.

Before preparing clinical documentation, the authorization team should determine whether approval is necessary.

This can often be checked through:

• Insurance payer portals
• Provider service telephone lines
• Electronic eligibility and authorization systems
• Current payer authorization lists
• Applicable payer medical policies

When verifying requirements, staff should record the date of verification and any reference number provided by the payer.

Two diagnostic imaging studies may have different authorization requirements.

For example, a routine X-ray may not require prior authorization, while a magnetic resonance imaging study may require clinical review.

Likewise, an outpatient procedure performed in a physician’s office may be subject to different requirements when performed in a hospital outpatient department.

Authorization requirements should therefore be checked against the actual procedure and planned setting.

Accurate medical coding plays an important role in obtaining prior authorization.

Insurance companies frequently use diagnosis and procedure codes to identify the requested service and determine which coverage criteria apply.

Clinics should collect the appropriate:

• International Classification of Diseases, Tenth Revision, Clinical Modification diagnosis codes
• Current Procedural Terminology procedure codes
• Healthcare Common Procedure Coding System codes, when applicable
• Relevant procedure modifiers, when required
• Number of requested units or sessions
• Planned frequency and duration of treatment

The codes submitted should accurately reflect the physician’s order and clinical documentation.

Suppose a physician recommends a lumbar spine magnetic resonance imaging study.

The authorization request is submitted with a diagnosis that does not accurately represent the documented reason for the imaging.

The payer may request additional information or determine that the submitted documentation does not support the requested service.

Similarly, an authorization obtained for one procedure code may not apply to a different procedure ultimately performed.

The authorization team should coordinate with clinical staff and medical coders to ensure that the requested service, diagnosis, and supporting documentation are consistent.

Medical necessity is one of the most important elements of a successful prior authorization request.

Insurance companies often require evidence that the proposed service is clinically appropriate and meets the health plan’s coverage criteria.

A diagnosis alone may not provide enough information.

Depending on the requested service, clinics may need to submit:

• Chief complaint
• History of present illness
• Duration and severity of symptoms
• Relevant medical history
• Physical examination findings
• Current diagnosis
• Previous diagnostic studies
• Previous treatments
• Response to treatment
• Functional limitations
• Physician’s assessment
• Recommended treatment plan
• Explanation of why the requested service is necessary

The documentation should explain why the service is appropriate for the individual patient.

Consider a patient with persistent lower back pain and radiating leg symptoms.

A brief note stating that the patient has back pain and needs magnetic resonance imaging may not provide sufficient clinical justification.

A more complete record might describe:

• Duration of lower back pain
• Presence of radiating leg pain
• Neurological symptoms
• Relevant examination findings
• Treatments already attempted
• Response to conservative treatment
• Functional limitations
• Clinical reason advanced imaging is being requested

The documentation should reflect actual findings and treatment history rather than information added merely to satisfy insurance requirements.

The Centers for Medicare & Medicaid Services emphasizes that prior authorization processes rely on supporting medical documentation and do not eliminate existing medical necessity requirements. (Reference: Centers for Medicare & Medicaid Services, Prior Authorization and Pre-Claim Review Initiatives.)

Many insurance plans require evidence that appropriate conservative treatment has been attempted before approving certain procedures or services.

This requirement is particularly relevant to diagnostic imaging, pain management procedures, physical therapy, and selected surgical interventions.

Depending on the payer’s policy, useful documentation may include:

• Physical therapy sessions completed
• Home exercise programs
• Medications prescribed
• Duration of medication use
• Response to medications
• Chiropractic treatment
• Injections or other interventions
• Previous diagnostic imaging
• Reasons treatment was discontinued
• Contraindications to certain treatments

However, clinics should not assume that conservative treatment is required for every authorization request.

The applicable medical policy should be reviewed.

Suppose a patient is being evaluated for an interventional pain management procedure.

The insurer may request information about previous conservative treatment and the patient’s response.

If the clinical note simply states that treatment was unsuccessful, the payer may ask for more details.

Documentation describing the type of treatment, approximate duration, and outcome can help establish the clinical context.

If a particular treatment was not appropriate because of a contraindication or another clinical reason, that should also be documented when relevant.

Prior authorization requests may involve more than one healthcare provider.

The ordering provider recommends the service, while the rendering provider performs it.

In some situations, these are different individuals or organizations.

Clinics should verify:

• Ordering provider’s full name
• National Provider Identifier
• Rendering provider’s full name
• Rendering provider’s National Provider Identifier
• Provider specialty
• Practice or facility information
• Tax identification number, when required
• Network participation
• Credentialing or enrollment status, when relevant

Incorrect provider information can cause authorization processing problems.

For example, an authorization may be approved for a particular imaging facility, but the patient later schedules the study at another location.

Depending on payer requirements, the authorization may need to be updated before the service is performed.

Prior authorization and provider credentialing are different processes.

Prior authorization concerns approval for a particular service.

Credentialing and enrollment concern the provider’s qualifications and participation with an insurance payer.

Obtaining prior authorization does not automatically establish that a provider is credentialed or eligible for reimbursement under the patient’s plan.

Clinics should verify both requirements independently.

The location where a procedure is performed can affect insurance coverage and authorization requirements.

For example, a procedure performed in an outpatient hospital may be subject to different authorization rules than the same procedure performed in an office-based setting.

Before submitting a request, confirm:

• Planned place of service
• Facility name
• Facility address
• Facility National Provider Identifier, when applicable
• Whether the facility is in-network
• Whether the payer requires authorization for that setting

Changes to the service location should be reviewed before the appointment.

A clinic should not assume that an authorization remains valid after the rendering facility changes.

Authorization approvals often include limitations involving service dates, treatment units, or the number of approved visits.

These details are especially important for services delivered over multiple appointments.

Examples include physical therapy, occupational therapy, behavioral health treatment, and certain pain management services.

The authorization team should collect:

• Expected treatment start date
• Anticipated treatment duration
• Number of requested visits
• Frequency of treatment
• Number of requested units
• Relevant procedure details

A physician recommends physical therapy twice weekly for six weeks.

The authorization request should accurately reflect the prescribed treatment plan and any payer-specific unit requirements.

If the payer approves fewer visits than requested, the clinic should identify the limitation before scheduling the full course of treatment.

The clinic should also monitor the authorization expiration date and remaining approved visits.

Providing services beyond the authorized limits may create reimbursement problems unless additional authorization is obtained or another applicable coverage rule permits payment.

Prior authorization and referrals are not interchangeable.

Some insurance plans require a referral from a primary care physician before a patient can receive specialist services.

Other plans may require prior authorization for certain procedures performed by the specialist.

A patient may therefore need a referral, prior authorization, both, or neither.

Clinics should verify the requirements separately.

When a referral is required, collect the referring provider’s information, referral number, authorized specialty, effective dates, and any visit limitations.

Failing to obtain a required referral can create claim problems even when the service itself does not require prior authorization.

Understanding why requests fail helps clinics identify weaknesses in their intake and authorization processes.

Although requirements vary by payer, several recurring problems are particularly important.

A request may be delayed when the submitted medical records do not contain enough information to evaluate medical necessity.

Prevention: Use a service-specific documentation checklist before submission.

An inactive policy, incorrect member identification number, or wrong payer selection can prevent successful processing.

Prevention: Verify eligibility and benefits using current insurance information.

The diagnosis submitted may not correspond with the requested service or the physician’s documentation.

Prevention: Review coding accuracy and consistency before submission.

The insurer may determine that the submitted clinical information does not establish coverage under the applicable medical policy.

Prevention: Review the payer’s criteria and submit relevant clinical evidence. If the criteria are not met, clarify the clinical circumstances with the ordering provider rather than altering documentation to fit the policy.

An authorization request may identify a different rendering provider or facility from the one scheduled to perform the service.

Prevention: Verify provider and facility information before submitting the request and again before the service.

An authorization may be approved but no longer valid when the patient receives treatment.

Prevention: Track authorization effective dates and expiration dates.

A clinic may provide more visits or treatment units than the payer approved.

Prevention: Monitor utilization and request additional authorization when necessary.

Some clinics begin authorization only shortly before the scheduled appointment.

This leaves insufficient time to respond to requests for additional information.

Prevention: Initiate authorization review as soon as the service is ordered and sufficient information is available.

A structured workflow can help reduce errors and improve accountability.

The following process can be adapted to different medical specialties.

When a physician orders a procedure or treatment, the scheduling or authorization team should determine whether insurance approval may be necessary.

The clinic should maintain updated payer-specific authorization resources.

Confirm active coverage, plan details, network status, and applicable referral requirements.

Resolve insurance discrepancies before proceeding.

Verify the diagnosis, procedure code, ordering provider, rendering provider, facility, and expected date of service.

Check whether the medical record contains the information required by the payer’s applicable coverage policy.

If important information is missing, return the request to the clinical team for clarification.

Submit the request through the payer’s approved channel.

Depending on the payer, this may involve an online portal, electronic authorization system, or another accepted method.

Maintain an authorization tracking record containing:

• Patient identifier
• Insurance payer
• Requested service
• Date submitted
• Authorization or case reference number
• Current status
• Assigned staff member
• Expected follow-up date
• Approval or denial details

Pending requests should be monitored according to the payer’s processing requirements and the patient’s clinical needs.

When additional information is requested, the clinic should respond promptly.

Once a decision is received, confirm the approved procedure, provider, facility, effective dates, and authorized units or visits.

Do not treat a submission confirmation as an approval.

The authorization status should be visible to the staff responsible for scheduling and delivering the service.

If approval is pending or denied, the appropriate team should be informed before the appointment.

The billing team should have access to the authorization number and supporting approval details.

This information may be needed during claim submission, payment posting, denial investigation, or appeals.

The American Medical Association recommends establishing consistent authorization workflows, maintaining thorough records, and communicating proactively with patients. (Reference: American Medical Association, Private Practice Playbook.)

Prior authorization processing times depend on the insurance program, type of request, applicable regulations, and medical circumstances.

Under the Centers for Medicare & Medicaid Services Interoperability and Prior Authorization Final Rule, certain impacted payers must generally issue decisions on medical items and services within:

• 72 hours for expedited requests
• Seven calendar days for standard requests

These requirements generally took effect in January 2026.

They apply to specified payers, including Medicare Advantage organizations and certain Medicaid and Children’s Health Insurance Program arrangements.

The rule’s decision-timeframe requirements do not apply universally to every commercial insurance plan. Qualified Health Plan issuers on federally facilitated exchanges were excluded from these particular finalized timeframes.

The rule also excludes drug prior authorizations from these provisions.

Applicable extensions, other regulatory requirements, and payer-specific rules must be considered.

Clinics should verify the requirements governing the patient’s specific insurance plan rather than assuming every authorization must be completed within the same timeframe.

(Reference: Centers for Medicare & Medicaid Services, Improving Prior Authorization Processes.)

A prior authorization denial does not necessarily mean the patient can never receive the requested service.

The appropriate next step depends on the reason for the denial, the patient’s clinical condition, and the payer’s reconsideration or appeal procedures.

Determine whether the request was denied because of:

• Missing documentation
• Incorrect information
• Medical necessity criteria
• Benefit exclusions
• Network restrictions
• Failure to satisfy a required treatment pathway

The denial notice should be reviewed before taking further action.

If the denial resulted from insufficient clinical information, the provider may be able to submit additional relevant records.

For example, an imaging authorization request may have omitted examination findings or previous treatment details already documented in the patient’s medical record.

Some payers offer a peer-to-peer review process in which the treating or requesting clinician discusses the medical necessity of the proposed service with a clinician representing the insurer.

Availability, deadlines, and procedural requirements vary by payer.

If the clinic and treating provider believe the denial is inconsistent with the patient’s clinical circumstances or applicable coverage criteria, an appeal may be appropriate.

Appeals should address the specific denial reason and include supporting documentation.

Authorization denials should be categorized and reviewed periodically.

If the same payer repeatedly requests a particular clinical detail, the clinic may need to update its intake or documentation checklist.

Beginning in 2026, the Centers for Medicare & Medicaid Services requires specified impacted payers to provide specific reasons for denied prior authorization requests involving covered medical items and services under its final rule.

This requirement is intended to improve transparency and help providers understand why requests were unsuccessful. (Reference: Centers for Medicare & Medicaid Services, Interoperability and Prior Authorization Final Rule.)

Preventing authorization problems is generally more efficient than correcting them after a denial.

Several operational improvements can make a meaningful difference.

A pain management clinic may need a different documentation checklist from an orthopedic practice or diagnostic imaging center.

For example, a pain management authorization checklist may emphasize pain history, previous conservative treatment, examination findings, and prior procedures.

An imaging authorization checklist may emphasize symptoms, relevant examination findings, previous studies, and the clinical reason for imaging.

Specialty-specific checklists help staff collect the information relevant to the requested service.

Authorization errors often begin with incomplete registration or scheduling information.

Front-desk staff should understand the importance of accurate insurance details and know when to refer a case for authorization review.

They do not need to make medical necessity determinations, but they should recognize missing administrative information.

Every authorization request should have an assigned owner.

Without clear accountability, requests may remain pending because staff assume someone else is handling them.

A designated authorization coordinator or team can improve follow-up consistency.

Insurance companies periodically revise authorization requirements and medical policies.

Clinics should maintain a reliable process for reviewing payer updates.

Staff should avoid relying exclusively on outdated authorization lists or previous experience with similar patients.

Electronic authorization systems can reduce manual data entry and help staff monitor request status.

However, technology does not eliminate the need for accurate clinical documentation.

An electronically submitted request containing incomplete or incorrect information may still be delayed or denied.

Clinics should establish a pre-service verification process.

For scheduled procedures requiring authorization, staff should confirm approval and applicable limitations before the service date.

This final verification can identify expired authorizations, incorrect facilities, or discrepancies involving approved services.

Electronic prior authorization is becoming increasingly important in healthcare administration.

Traditional authorization workflows may involve manual forms, telephone calls, fax transmissions, and repeated requests for clinical information.

Electronic systems aim to streamline these activities by allowing providers and payers to exchange authorization information more efficiently.

The Centers for Medicare & Medicaid Services finalized requirements for certain impacted payers to implement prior authorization application programming interfaces beginning in 2027.

These interfaces are intended to support functions such as identifying authorization requirements, determining required documentation, submitting requests, and communicating decisions.

Although these changes may improve administrative efficiency, clinics will still need accurate patient information, appropriate clinical documentation, and reliable internal workflows.

(Reference: Centers for Medicare & Medicaid Services, Interoperability and Prior Authorization Final Rule)

Before sending a prior authorization request, clinic staff should confirm the following information.

• Patient’s name and date of birth are accurate.
• Insurance member identification number is correct.
• Coverage is active for the anticipated service date.
• Insurance payer and plan have been verified.
• Referral requirements have been checked.
• Network participation has been confirmed.

• Ordering provider information is correct.
• Rendering provider information is correct.
• National Provider Identifiers have been verified.
• Facility details are accurate.
• Planned place of service matches the request.
• Relevant credentialing and enrollment requirements have been reviewed.

• Requested procedure is clearly identified.
• Diagnosis codes are accurate.
• Procedure codes match the physician’s order.
• Required modifiers have been included.
• Number of visits or units is correct.
• Expected service dates have been documented.

• Relevant symptoms are documented.
• Duration and severity of symptoms are described.
• Pertinent examination findings are included.
• Previous treatments and responses are documented when relevant.
• Diagnostic results are available when required.
• Medical necessity is supported by the clinical record.
• Required supporting documents are attached.

• The correct payer submission channel is being used.
• The request is submitted within the applicable timeframe.
• Submission confirmation is saved.
• Authorization tracking information is updated.
• Follow-up responsibility is assigned.
• Scheduling staff are informed of the authorization status.

Using this checklist consistently can help identify avoidable errors before they affect patient care or reimbursement.

Clinics should not evaluate authorization performance solely by counting approvals and denials.

A more useful approach is to examine the entire authorization workflow.

Several operational measures can help identify improvement opportunities.

This measures the percentage of authorization requests approved without requiring correction, resubmission, or additional documentation.

A low first-pass approval rate may indicate documentation gaps or inconsistent submission practices.

This measures the time between submission and the payer’s final decision.

Clinics can review turnaround times by payer, service type, and request priority.

Tracking the percentage of denied requests helps identify recurring problems.

Denials should also be categorized by reason.

Frequent requests for additional documentation may indicate that the clinic’s initial submission checklist needs improvement.

This measure helps connect authorization performance with patient access.

A clinic may have a relatively high approval rate but still experience significant appointment delays if requests are submitted too close to service dates.

Tracking claims denied because of missing, expired, or mismatched authorizations helps determine whether the authorization and billing teams are communicating effectively.

These measures can be reviewed monthly to identify trends and evaluate workflow changes.

Insurance eligibility verification confirms whether a patient has active coverage and helps identify applicable benefits.

Prior authorization is a separate process used to obtain payer approval for certain medical services.

A patient can have active insurance coverage while still requiring prior authorization for a specific procedure.

The answer depends on the service, payer requirements, clinical circumstances, and applicable laws.

For services requiring advance approval, proceeding without authorization may create reimbursement risk.

Emergency care and certain other situations may be subject to different rules.

Clinics should verify applicable requirements and should not delay emergency evaluation or necessary emergency treatment merely because an authorization has not been obtained.

No.

An authorization approval does not guarantee reimbursement.

The claim must still satisfy applicable eligibility, benefit, coding, network, documentation, and billing requirements.

The clinic should determine whether the payer permits an extension, modification, or new authorization request.

Staff should not assume that an expired authorization remains valid.

Some payers permit retrospective authorization or review in limited circumstances.

However, retrospective approval is not universally available.

Clinics should not rely on obtaining authorization after treatment when advance approval is required.

Responsibility depends on the payer’s requirements and the arrangements between the ordering provider, rendering provider, and facility.

In many practices, authorization specialists or administrative staff coordinate the process using documentation supplied by the treating clinician.

Clear responsibility should be established before the service is scheduled.

There is no single mistake that applies to every clinic.

However, submitting requests without verifying current insurance requirements, procedure details, and supporting clinical documentation is a recurring source of preventable problems.

A standardized pre-submission review can address many of these issues.

Prior authorization is often treated as a task that begins after a physician orders a service.

In reality, the quality of the authorization process depends heavily on information collected much earlier.

Accurate patient registration, insurance eligibility verification, correct medical coding, complete clinical documentation, and clear communication between departments all contribute to a more reliable process.

For clinics looking to reduce authorization delays and insurance denials, the most useful improvement may not be adding another layer of administrative review.

It may be ensuring that the right information is collected the first time.

A consistent intake checklist, clearly assigned responsibilities, updated payer requirements, and regular monitoring of authorization outcomes can help practices reduce avoidable rework.

The goal is not simply to obtain more approvals. It is to build a prior authorization process that supports timely patient care, reduces administrative waste, and protects the financial health of the practice.

1. American Medical Association. Prior Authorization Practice Resources. https://www.ama-assn.org/practice-management/prior-authorization/prior-authorization-practice-resources
2. American Medical Association. Prior Authorization Research and Reports. https://www.ama-assn.org/practice-management/prior-authorization/prior-authorization-research-reports
3. Centers for Medicare & Medicaid Services. Prior Authorization and Pre-Claim Review Initiatives. https://www.cms.gov/data-research/monitoring-programs/medicare-fee-service-compliance-programs/prior-authorization-and-pre-claim-review-initiatives
4. Centers for Medicare & Medicaid Services. Improving Prior Authorization Processes. https://www.cms.gov/initiatives/burden-reduction/overview/interoperability/frequently-asked-questions/prior-authorization-api/improving-prior-authorization-processes
5. Centers for Medicare & Medicaid Services. Interoperability and Prior Authorization Final Rule (CMS-0057-F). January 17, 2024. https://www.cms.gov/newsroom/fact-sheets/cms-interoperability-prior-authorization-final-rule-cms-0057-f
6. American Medical Association. Private Practice Playbook. https://edhub.ama-assn.org/steps-forward/module/2817874
7. American Medical Association. Tools for Proper Payment and Appeals. https://www.ama-assn.org/practice-management/claims-processing/tools-proper-payment-appeals