# What Is Prior Authorization (Pre-Auth) in Healthcare? Canonical: https://www.flobotics.io/blog/prior-authorization-pre-auth-explanation Author: Bart Teodorczuk Published: 2026-04-30 Updated: 2026-09-14 --- [Home](https://www.flobotics.io/)/[Articles](https://www.flobotics.io/blog)/What Is Prior Authorization (Pre-Auth) in Healthcare? [Healthcare](https://www.flobotics.io/blog?category=healthcare)[RCM](https://www.flobotics.io/blog?category=rcm) # What Is Prior Authorization (Pre-Auth) in Healthcare? [Bart TeodorczukRPA Tech Lead at Flobotics](https://www.flobotics.io/our-editorial-team#teodorczuk) Published April 30, 2026Updated September 14, 2026 On this page - [What Is Prior Authorization?](#what-is-prior-authorization) - [The Business Cost of Manual Prior Authorization](#the-business-cost-of-manual-prior-authorization) - [Why Auth Denials Are a Major Revenue Threat?](#why-auth-denials-are-a-major-revenue-threat) - [How Automation Transforms Prior Authorization?](#how-automation-transforms-prior-authorization) - [Prior Auth in the Broader RCM Context](#prior-auth-in-the-broader-rcm-context) Book a callWant to talk about it? 30 minutes with someone who builds automations, not a sales script. [Talk to us →](https://www.flobotics.io/contact) Share [](#)[](#) ## What Is Prior Authorization? Prior Authorization — also called pre-auth, precertification, or prior approval — is the formal payer process requiring healthcare providers to obtain official payer approval before delivering specific treatments, procedures, imaging studies, medications, or specialist services. It is the payer's mechanism for reviewing medical necessity before committing to coverage and reimbursement. Prior authorization touches virtually every specialty. Imaging (MRI, CT), specialty medications, surgical procedures, inpatient admissions, durable medical equipment, and behavioral health services are among the highest-volume authorization categories. Without a valid, current authorization on file, claims for these services are immediately denied — regardless of clinical appropriateness. ## The Business Cost of Manual Prior Authorization Prior authorization has become one of the most resource-intensive administrative processes in healthcare: - Physicians and staff spend an average of 13 hours per physician per week on prior authorization, and nearly four in five physicians (79%) report that patients abandon treatment due to authorization challenges (AMA, 2025) - Each manual authorization request requires 20–45 minutes of staff time — not including follow-up for incomplete responses - Authorization-related denials are among the top three denial categories across virtually all specialties As AMA President Bobby Mukkamala, M.D. said when these findings were released, ["physician trust in voluntary insurer pledges is deeply eroded after years of unfulfilled promises"](https://www.ama-assn.org/press-center/ama-press-releases/ama-survey-prior-authorization-reform-pledge-falls-short-physicians). Let’s talk! It’s a 30-minute call. Within the first 15, we’ll know if automation works for you. [Book a call →](https://tidycal.com/team/flobotics/flobotics-intro-call-w) ## Why Auth Denials Are a Major Revenue Threat? Claims denied for missing, expired, or incorrectly obtained prior authorization are among the most difficult and expensive to recover. Retrospective authorization is often unavailable or requires intensive clinical documentation and appeals. Many auth-related denials are written off rather than worked — making them a direct [Net Collection Rate](https://www.flobotics.io/blog/net-collection-rate-ncr) reduction with no recovery path. The clinical care happened; the revenue did not. ## How Automation Transforms Prior Authorization? [Prior authorization automation](https://www.flobotics.io/agents/prior-authorization-automation) replaces the hours-long manual cycle of portal navigation, form completion, clinical documentation attachment, and status follow-up with an automated workflow that handles the same steps in minutes: - Automated payer requirement lookup: real-time identification of which procedures require auth with which payers - Intelligent form completion: extracting relevant clinical data from EHR documentation and pre-populating payer portals - Status monitoring: automated daily checking of submitted auth requests, flagging pending or denied requests immediately - Expiration tracking: alerts when approved authorizations are approaching expiration for procedures not yet scheduled - Denial prevention: cross-referencing scheduled procedures against auth status before claim generation Flobotics's own [genetic diagnostics lab prior authorization case study](https://www.flobotics.io/case-studies/90-faster-packet-submissions-prior-authorization-automation) shows this in practice: bridging the lab's LIMS directly to the payer portal cut packet submission time by 90% and eliminated a growing backlog of samples stuck waiting on administrative clearance. Our prior authorization automation deployments have achieved 85%+ reductions in manual auth processing time — see the [pain management network prior authorization case study](https://www.flobotics.io/case-studies/85-faster-submissions-8-ftes-saved-prior-authorization-automation), where submission time dropped 85% and freed up more than 8 FTEs. ## Prior Auth in the Broader RCM Context Prior authorization connects directly to [eligibility verification](https://www.flobotics.io/blog/eligibility-verification-explanation), [claims management](https://www.flobotics.io/agents/claims-management-automation), and [denial management](https://www.flobotics.io/agents/denials-management-automation). In a well-designed [RCM automation program](https://www.flobotics.io/rcm-automation), authorization status is verified at every relevant touchpoint — scheduling, pre-service, and pre-billing — closing the gaps that create authorization denials. Regulatory pressure is pushing in the same direction: under the [CMS Interoperability and Prior Authorization Final Rule](https://www.cms.gov/initiatives/burden-reduction/overview/interoperability/policies-regulations/cms-interoperability-prior-authorization-final-rule-cms-0057-f) (CMS-0057-F), most impacted payers must stand up FHIR-based prior authorization APIs by 2027 — a shift CMS estimates could save the health system roughly $15 billion over a decade by taking friction out of the process. ## FAQ: Who is responsible for obtaining prior authorization? The doctor's office or treating provider is responsible for submitting the prior authorization request, not the patient. They send the clinical and administrative documentation the insurer needs to decide whether to approve the service or medication. How long does prior authorization take? Standard requests can take up to 30 days for an insurer to review, though expedited requests are typically required to get a response within about 72 hours. Actual turnaround varies by payer, service type, and how complete the submitted documentation is. Why is it so hard to get prior authorization approved? A common reason is rigid, plan-specific criteria: if a request doesn't match exactly what the reviewer's checklist calls for, it can be denied even when the treatment is medically justified. Reviews are also sometimes handled by staff who aren't physicians and may be unfamiliar with the condition being treated. Why does insurance deny prior authorization requests? Common reasons include incomplete documentation, the request not exactly matching the insurer's own criteria, or a lower-cost alternative treatment being available. Denials aren't always correct, either: one analysis found that over 80% of initial prior-authorization denials appealed to Medicare Advantage plans are ultimately overturned. What happens if you don't get required prior authorization? The insurer will deny the claim, and who ends up financially responsible depends on the denial code and the payer's contract with the provider. Under a CO-197 code the practice typically has to write off or appeal the charge without billing the patient, while under a PR-197 code the patient can be billed the full amount. What are the steps in the prior authorization process? The provider identifies that a service needs authorization, then submits clinical documentation to the insurer explaining why it's medically necessary. The health plan reviews the request against its own coverage criteria and then approves it, denies it, or asks for more information, with an appeal available if it's denied. Written byBart Teodorczuk RPA Tech Lead at Flobotics. [More from Bart](https://www.flobotics.io/our-editorial-team#teodorczuk) Talk to us ## Show us the process your team is tired of doing manually. Let Karl, our CTO, take a look. It’s 30 minutes with the person who designs the automations, not a sales script. [Book a call with Karl →](https://tidycal.com/team/flobotics/flobotics-intro-call-w)[Send us a message](https://www.flobotics.io/contact) 30-minute callKarl MielnickiCo-founder, CTO Walk me through the process your team does by hand. I’ll tell you whether it’s worth automating and how I’d approach it. Karl Keep reading ## More insight The latest industry news, interviews, technologies, and resources. [ EligibilityHealthcareRCM ### Insurance Eligibility Verification in Healthcare, Explained Eligibility verification guide: confirming insurance coverage and patient financial responsibility before the visit, in real time. Krzysztof SzwedApril 08, 2026 ](https://www.flobotics.io/blog/eligibility-verification-explanation)[ HealthcareRCM ### Patient Access: The Front End of the Revenue Cycle What is patient access? A guide to the front-end RCM steps - scheduling, registration, eligibility checks, and prior authorization - that start every claim. Jędrzej SzymulaJune 02, 2026 ](https://www.flobotics.io/blog/patient-access-explanation)[ HealthcareRCM ### Medical Necessity: How Payers Decide What They Cover Medical necessity, explained: how payers decide if a service qualifies for coverage, and what proof stops denials before they start. Bart TeodorczukMarch 30, 2026 ](https://www.flobotics.io/blog/medical-necessity-explanation) [All articles →](https://www.flobotics.io/blog)