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Prior Authorization Services: Requests, Tracking and Renewals

Medtransic requests prior authorizations before care starts, tracks the approved visits or units and their end dates, and requests renewals before they run out. When a service went ahead without one, we pursue a retroactive authorization where the payer allows it. Handing us prior authorizations moves your billing rate up within the 4-8% range.

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One authorization, start to decisionIllustrative sample

Day 0
Request submitted
Clinical documentation attached up front.
Day 3
Pended for records
Payer asks for notes already sent with the request.
Day 9
Records resupplied
Resubmitted the same day the request arrives.
Day 14
Approved
Procedure proceeds without rescheduling the patient.

The delay is rarely the decision. It is the pend, and the days a request sits waiting for someone to notice it needs an answer.

Key takeaways

01Expert authorization submissions built around each payer's clinical criteria, across all procedure types.
02Faster processing through payer-specific submission workflows.
03Retroactive authorization recovery for emergency services already rendered.
04Urgent cases routed to each payer's expedited review process.

How We Run Prior Authorization Start to Finish

We build custom workflows around your practice's specific challenges - no cookie-cutter approaches.

Step 01

Requirements Caught Before the Service

We keep a single running picture of which services need authorization for which payer and plan, so a request goes in well ahead of the service date instead of being discovered the morning of the appointment. The same system watches the expiration dates on approvals already in hand and flags them before a lapse can turn a scheduled service into a denial. Federal rules are also pushing payers toward faster, more standardized electronic prior authorization - the CMS Interoperability and Prior Authorization rule (CMS-0057-F) requires many payers to support a dedicated electronic prior-authorization interface beginning in 2027 - and our workflow is built to use those channels as they come online.

Authorization requirements identified up front by payer / Requests submitted ahead of the service date / Expiration and visit-limit dates tracked / Ready for electronic payer authorization channels

Step 02

Complete Requests, Built to Clear Review

Authorization specialists assemble the whole request the first time - the clinical documentation the payer expects, the correct form, the justification that answers that payer's medical-necessity standard - so the request passes review instead of bouncing back for more information. Getting it right on the first submission is the single biggest lever on how quickly a patient actually gets approved.

Clinical documentation gathered up front / Payer-specific forms completed correctly / Medical-necessity justification built in / Requests assembled to pass on the first try

Step 03

Requests That Get Actively Chased

Pending requests aren't filed and forgotten - they're checked continuously and escalated the moment a payer sits on one longer than it should. That steady pressure keeps approvals moving and means a stalled request gets noticed within days, not when the patient calls asking why their procedure still hasn't been scheduled.

Pending requests checked on a set cadence / Payer portals monitored for status changes / Stalled requests escalated, not left to sit / Approvals confirmed before the service date

Step 04

Payer Know-How When It Counts

Working the same payers day in and day out builds the contacts and the practical know-how that get an urgent case expedited and a wrongly denied authorization overturned. When an authorization is denied, we prepare the clinical appeal and coordinate the peer-to-peer review between your physician and the payer's reviewer rather than accepting the first refusal as final.

Urgent cases routed to expedited review / Clinical appeals prepared for denied requests / Peer-to-peer reviews coordinated with your physician / Denied authorizations pursued past the first no

Recurring Pitfalls in Prior Authorization

Prior authorization complexity creates significant operational challenges and revenue risk for healthcare practices.

You Deliver the Care but Never Get Paid for It

When a service goes ahead without the right authorization on file, most payers refuse the claim outright, and unlike a coding slip there's frequently no clean way to fix it after the fact. The care was delivered, the cost was incurred, and the reimbursement simply never arrives. On an expensive procedure or advanced imaging, a single missed authorization can erase the margin on an entire day's schedule.

Impact: Unauthorized services often cannot be billed, with no recourse

Patients Wait, and Some Don't Come Back

Impacted payers now have up to 7 calendar days for a standard decision, other plans set their own timelines, and every day of that wait pushes back the treatment a patient came to you for. Some lose patience, some grow sicker, and some quietly go elsewhere before you ever get them on the schedule. A slow authorization process doesn't only cost revenue - it costs the patient relationship you worked to build.

Impact: Lost patient volume and extended treatment timelines harm revenue

One Missing Detail Sends You Back to the Start

Payers bounce an incomplete request rather than working with what they were given, so one missing clinical note or mis-entered field drops the whole thing to the back of the line. The patient's wait resets, your staff redoes work they already finished, and your payment slides weeks further out - all over a detail a complete first submission would have carried past review.

Impact: Many initial authorization requests are denied for documentation issues

Approvals Expire and No One Notices

Authorizations carry start and end dates, and an approval that was valid the week it was issued is worthless once the service falls outside its window. When nobody is watching those dates, a rescheduled procedure or one extra visit in a course of treatment slips past the approval and the claim is denied - revenue lost not because the care wasn't authorized, but because the calendar wasn't tracked.

Impact: Services rendered with expired authorizations cannot be billed

Your Front Desk Is Stuck on Hold Instead of With Patients

Chasing payers by phone and portal for status updates devours hours of your staff's day, and every hour on hold is an hour not spent checking patients in, answering calls, or collecting balances at the desk. This is how a front office burns out - buried in payer follow-up that has nothing to do with the people sitting in the waiting room.

Impact: A large share of staff time consumed by authorization processes

Urgent Cases Get Caught in Routine Red Tape

When a genuinely urgent case lands in the standard approval queue, the delay stops being a nuisance and starts being a clinical problem, leaving the practice caught between treating without approval and making a sick patient wait. Knowing which cases qualify for expedited review - and driving them through that faster channel - is a skill in itself, not a box anyone can check.

Impact: Patient outcomes affected and potential liability exposure

What You Get With Prior Authorization at a Glance

Every component managed with precision and expertise.

Authorization Request Submission

Complete preparation and submission of all authorization requests with comprehensive supporting documentation.

Payer portal submissions / Fax and phone requests / Clinical documentation gathering / Procedure justification

Status Tracking

Continuous monitoring of all pending authorizations with proactive follow-up to ensure timely approvals.

Scheduled status checks / Payer portal monitoring / Proactive payer follow-up / Approval confirmation

Expiration Management

Systematic tracking of authorization expiration dates with alerts and renewal management to prevent service disruption.

Expiration date tracking / Renewal reminders / Extension request management / Multi-visit authorization tracking

Denial Appeals & Peer-to-Peer

Expert management of authorization denials including peer-to-peer reviews and appeal submission.

Denial reason analysis / Clinical appeal preparation / Peer-to-peer coordination / Escalation through every appeal level

Retroactive Authorization Recovery

Specialized services to recover revenue from emergency and services provided without prior authorization.

Emergency service recovery / Clinical documentation support / Timely filing management / Retro auth appeal expertise

Inside Prior Authorization

Navigating the Prior Authorization Landscape

Prior authorization requirements are set plan by plan, not payer by payer. Two employer groups with the same insurer can require different things for the same service.

Where the requirement actually comes from

Original Medicare requires it for a narrow published list: certain hospital outpatient services, certain durable medical equipment, and repetitive scheduled non-emergent ambulance transport.
Medicare Advantage plans set their own requirements on top of the Medicare benefit. KFF reports that 99% of Medicare Advantage enrollees are in plans requiring prior authorization for some services.
Commercial plans vary by employer group, and many delegate the decision to a utilization management vendor with its own criteria.

What a workable process needs

01A current record of what needs authorization, by plan rather than by payer.
02The requirement checked at scheduling, before the appointment is confirmed.
03Expiry dates and visit limits tracked, with renewals raised before the last covered visit.
04Pending requests on an active worklist, escalated when a plan sits on one.

Electronic prior authorization through payer portals and clearinghouse platforms has taken some friction out of submission. It has not removed the need for clinical documentation, peer-to-peer review, or an appeal when the first answer is no.

Requirements differ by individual plan within each payer, so verifying that a patient "has Aetna" is not verification.

Under CMS-0057-F, impacted payers including Medicare Advantage must decide expedited requests within 72 hours and standard requests within seven calendar days.

Those same payers must now publish prior authorization metrics annually on their own website, which turns "this plan is slow" from an impression into a citable figure.

A requirement record that is maintained by plan prevents both missed authorizations and wasted requests on services that never needed one.

Clinical Documentation for Authorization Success

A reviewer is not reading your note for its clinical quality. They are checking it against a criteria set, and the request clears when the documentation answers that set point by point.

What the criteria usually ask for

Surgical procedures. Evidence that conservative treatment was tried and failed, for the duration the criteria specify, with objective findings rather than a summary impression.
Advanced imaging. Why this modality, what clinical question it answers, and why a less expensive study will not answer it.
Specialty medications. Step therapy history naming each prior drug, the dose, how long it was tried, what happened, and why it was stopped.

Peer-to-peer is a consultation, not an argument

The call goes better when the treating physician runs it from a prepared summary built around the stated denial reason. A general clinical narrative invites the reviewer to restate the criteria you did not address.

Payers commonly evaluate against published criteria sets such as InterQual or MCG. Ask which set and which version the plan applies, because that is the document your request has to satisfy.

Documentation should be written against the specific criteria set the reviewing payer uses, not as a general clinical summary.

Step therapy documentation must include drug names, dosages, duration of trial, objective response measures, and the reason each prior therapy was stopped.

Peer-to-peer reviews should be conducted by the treating physician with a summary addressing the stated denial reason directly.

Templates for the request types a practice submits most often keep required elements from being missed under time pressure.

Denial Appeals and Retroactive Authorization Recovery

The published numbers on Medicare Advantage make the case for appealing better than any argument does. KFF reports that of nearly 53 million prior authorization requests in 2024, insurers denied 4.1 million, and only 11.5% of those denials were appealed. Of the appeals that were filed, 80.7% were partly or fully overturned.

Sort the denial before you answer it

01Medical necessity. Needs additional clinical documentation against the criteria, and often a peer-to-peer.
02Administrative. Wrong form, missing field, expired referral. Correct and resubmit rather than appeal.
03Benefit exclusion. Verify the plan actually excludes it before spending clinical time on an appeal.

Retroactive requests after urgent care

When care could not wait, the window to request authorization after the fact is set by the plan and is usually short. Find the specific window in the plan policy, submit inside it, and record the date you submitted.

Since 2026, denials from impacted payers must carry a specific reason. That reason is what an appeal should answer, and it is the thing that makes tracking denial causes by payer worth doing at all.

KFF found 80.7% of appealed Medicare Advantage prior authorization denials were partly or fully overturned in 2024, while only 11.5% of denials were appealed.

Appeals should be filed early in the window, so there is time to gather documentation and schedule a peer-to-peer before the deadline.

Retroactive authorization windows after urgent care are plan-specific and short; check the plan policy rather than assuming a standard timeframe.

Analyzing denial causes by payer and service turns individual appeals into process fixes that prevent the next one.

Where Medicare Advantage Denials Actually Concentrate

Denials are not spread evenly. Federal audits of Medicare Advantage put them heaviest on post-acute care, and the pattern is specific enough to plan around.

The HHS Office of Inspector General reviewed skilled nursing prior authorization across 19 Medicare Advantage plans in June 2024. Plans denied 12% of requests for skilled nursing admission overall. For nursing home residents specifically, they denied 40% of the time, against 11% for everyone else.

A companion audit covering long-term acute care and inpatient rehabilitation found the same instability. Plans overturned 36% of long-term acute care denials and 43% of inpatient rehabilitation denials on appeal, and the inpatient rehab overturn rate ranged from 14% to 86% depending on which plan issued the denial.

Why the spread matters more than the average

A denial reversed 14% of the time by one plan and 86% by another is not tracking a consistent clinical standard. OIG attributed the highest denial rates to contractors deciding on the plans' behalf, whose decisions the plans themselves then reversed on appeal.

What to do with that

Treat a post-acute denial as a first position, not a clinical finding, and appeal accordingly.
Track overturn rates by plan, not just overall. The variation between plans is larger than the variation between services.
Escalate to the plan rather than arguing with the contractor that issued the denial, since that is where the reversals happen.
Expect the highest friction on discharges to skilled nursing from a nursing home, which the audit singled out.

Medicare Advantage plans denied 40% of skilled nursing requests for nursing home residents, against 11% for all other enrollees (HHS OIG, OEI-09-24-00331, June 2024 data, 19 plans)

Inpatient rehabilitation denial overturn rates ranged from 14% to 86% depending on the plan (HHS OIG, OEI-09-24-00330)

OIG attributed the highest denial rates to contractors deciding on the plans' behalf, later reversed by the plans themselves

These audits cover skilled nursing and post-acute rehabilitation specifically, not Medicare Advantage prior authorization as a whole

The Benefits for Your Practice

Expert prior authorization management delivers measurable operational and financial advantages

Fewer Authorization Denials

Reduce authorization-related denials with expert submission and follow-up. Recover revenue that would otherwise be lost to preventable authorization failures.

Faster Treatment Authorization

Shorten authorization turnaround. Enable patients to receive necessary care faster, improving satisfaction and clinical outcomes.

Free Staff for Patient Care

Free up staff time spent on authorizations. Your team focuses on delivering excellent patient care instead of navigating payer bureaucracy.

Expert Payer Knowledge

Leverage specialists who understand specific payer requirements and approval criteria. Higher first-submission approval rates mean less rework and faster payment.

Complete Compliance Assurance

Stay current with changing payer policies and requirements without constant staff training. Reduce compliance risk with documented authorization processes.

Improved Patient Satisfaction

Faster authorizations mean less patient frustration and treatment delays. Reduced surprise bills and authorization issues lead to better patient relationships and retention.

What Each Payer Expects

Prior authorization requirements, processes, and turnaround expectations vary dramatically across payer types. From traditional Medicare with minimal PA requirements to Medicare Advantage plans with extensive authorization mandates and commercial payers delegating to utilization management firms, understanding payer-specific PA workflows is essential for maintaining high approval rates and preventing revenue loss.

Medicare

Medicare (Traditional Fee-for-Service)

Traditional Medicare requires prior authorization for relatively few services compared to commercial payers. CMS runs it for certain hospital outpatient department services, for certain durable medical equipment on the Required Prior Authorization List, and for repetitive scheduled non-emergent ambulance transport, alongside review choice demonstrations for home health and inpatient rehabilitation.
Medicare prior authorization requests are submitted through the esMD (Electronic Submission of Medical Documentation) system or the Medicare Administrative Contractor portal. For requests submitted on or after January 1, 2025, CMS reduced the standard review timeframe to no more than 7 calendar days; expedited requests remain 2 business days.
Advance Beneficiary Notices (ABNs) serve as a different but related function to prior authorization for Medicare. When a service may not be covered, a properly completed ABN must be obtained before the service to preserve the ability to bill the patient.
Medicare appeals follow a structured five-level process: redetermination, reconsideration (QIC), ALJ hearing, Medicare Appeals Council, and federal district court. Each level has specific filing deadlines.