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Clinical Layer for Utilization Management

Modern UM.
One clinician.
Through appeal.

VantaUM is a next-generation clinical layer for utilization management — concierge intake, the AI Brief Engine, authorization, and first-level appeal, owned end to end by the same clinician. Run it across your whole self-funded book, or aim it at the cases that need it most. Built for independent TPAs, self-insured employers, and the clinical operations inside larger benefit organizations.

01Concierge Intake
A named coordinator opens the case and assembles the record — no portal queue, no handoffs. Part of the bundle.
02AI Brief Engine
The case is pre-briefed against clinical criteria before a clinician ever opens it. Speed and quality, built in. Part of the bundle.
03Authorization + First-Level Appeal
One reviewer owns the determination and the first-level appeal — continuity, not a relay race. This is the bundle.
04IRO-Ready Documentation
Every case is documented to independent-review standard. Full IRO is a separate service, billed only if a case escalates.

How We Engage

External service,
or an extension
of your team.

VantaUM is built to drop into the way you already work. Run it across your whole self-funded book to take utilization management off your plate end to end — or stand us up inside your operation as a specialized arm of your own clinical team. Use it broadly, or aim it at the cases that carry the most clinical time and exposure.

Either way, the bundle is the same: a single clinician carrying each case from concierge intake through authorization and first-level appeal, with documentation prepared to be IRO-ready. If a case escalates to full independent review, that's a separate service — billed only when it happens.

Built for the teams that run the plan. Independent TPAs, self-insured employers, and the clinical operations inside larger benefit organizations — without inheriting anyone's technical debt.
01
Bundled, per case
One per-case rate for authorization plus first-level appeal. No per-member commitments, no volume floors — use it across the book or on the cases that warrant it. Full IRO is separate, only if a case escalates.
02
Embedded in your operation
Prefer to keep it in house? We run as a specialized extension of your existing clinical team, using your criteria and your voice, under your brand.
03
Continuity by design
The same clinician owns the authorization and the first-level appeal. No relay between reviewers, no context lost between stages.
04
White-glove onboarding
You stand us up once, directly with the Wells Onyx operating team — not a third-party integrator who read the manual last week.
The Workflow

One case.
One owner.
No handoffs.

Utilization management is where authorization decisions get made, appeals get filed, and documentation has to hold up when it's tested. Most operations split that journey across a queue of reviewers and lose the thread between every stage.

VantaUM runs the bundle as one continuous workflow: a concierge opens the case, the Brief Engine pre-briefs it, and a single clinician carries it through the authorization and the first-level appeal — leaving a file that's already IRO-ready. Full IRO itself is a separate service, only if the case escalates.

Concierge intake. A named coordinator owns the record — no portal queue, no triage relay.
AI Brief Engine. Every case pre-briefed against clinical criteria before a clinician opens it.
Same clinician through first-level appeal. Continuity, not a relay race between reviewers.
IRO-ready documentation. Clean, criteria-cited files. Full IRO is a separate service, only on escalation.
Talk to Us
Step 01
Concierge IntakeA named coordinator opens the case and assembles the record.
Step 02
AI Brief EnginePre-briefed against clinical criteria before review — the secret sauce behind speed and quality.
Step 03
Authorization → AppealThe same clinician owns the determination and the first-level appeal. This is the bundle.
Step 04
IRO-Ready FileBundled work leaves a clean file. Full IRO is a separate service, only on escalation.

Rate Card

Priced by the case.
Bundled by design.

You pay for clinical work on the cases that warrant it — not a per-member fee on a population. Authorization and the first-level appeal come bundled as one per-case engagement, because they're one case — for everyday UM and for your highest-exposure out-of-network work alike. Full IRO is not included in that rate — it's a separate escalation fee, billed only if and when a case actually goes to full independent review.

Bundled — Per Case
Authorization
+ First-Level Appeal

One team, start to finish. Your dedicated clinical team owns your relationship from intake through outcome — one point of contact, full visibility, all the way downstream. And when a case moves to appeal or peer-to-peer, the decision transfers to a fully independent physician who had no part in the original determination. That separation isn’t just our policy — it’s the law, and it’s built into our platform so it can never be skipped. Your team stays with you. The decision changes hands.

Concierge intake & record assembly
AI Brief Engine pre-brief
Authorization (in- or out-of-network)
First-level appeal — same clinician
IRO-ready documentation prepared
Full IRO review — separate fee, not included
One bundled per-case rate — scoped on a brief call
Separate — On Escalation
Full IRO
Review

When a case escalates beyond first-level appeal to full independent review, it's billed at a separate per-case rate. You only pay it when a case actually goes there — and the file arrives already clean and IRO-ready from the bundled work.

Independent, conflict-free review
Built on the IRO-ready file already assembled
Billed only on escalation
Same documentation standard throughout
Separate per-case rate — only when it escalates

Prefer to run it in house? The same workflow can be embedded inside your own clinical operation as a specialized extension of your team. We'll scope the engagement on a brief call.

Request the full rate card →

Specialized Capability

The same engine,
tuned for your
hardest cases.

The whole platform runs your everyday utilization management. But out-of-network is its own discipline — high-stakes, appeal-prone, and unforgiving on documentation — and it's where VantaUM is genuinely differentiated.

For out-of-network work, the same concierge intake, Brief Engine, and single-clinician continuity become a precision instrument: defensible authorizations, first-level appeals owned by the same reviewer, and files documented to independent-review standard. If a case escalates, full IRO is available as a separate service — not bundled into the base rate, billed only when it happens.

It's the capability ASOs and larger benefit organizations come for — and it sits on top of the general UM layer everyone else uses every day.

Talk to us about OON + IRO →

“The cases that decide your exposure”

Out-of-network authorization, the appeal that almost always follows, and the documentation that has to survive independent review. This is the slice of UM where specialized clinical ownership pays for itself — and where a clean file is the difference between a defensible decision and an expensive one.

General UM, end to end
Authorization through first-level appeal across your self-funded book — the everyday workflow, owned by one clinician per case.
Out-of-network, specialized
The same engine aimed at your highest-exposure cases, with documentation built to independent-review standard.
IRO when it escalates
Full independent review available as a separate escalation service — picking up a file that's already clean.

Our Philosophy

The Brief Engine is
the secret sauce.

Every case arrives as a stack of raw documents. The slow part isn't the clinical judgment — it's everything that has to happen before a clinician can exercise it.

The Brief Engine collapses that. It ingests the record, matches it against criteria, and hands the clinician a fully pre-briefed case. That's what lets one reviewer move fast, stay consistent, and carry the same case from authorization through appeal — leaving documentation clean enough to hand straight to an independent reviewer.

Concierge Intake
Named coordinator opens the case and assembles the record
AI Brief Engine
Ingests the record, matches criteria, pre-briefs the case in minutes
same clinician
Authorization
Specialist reviewer makes the determination on a pre-briefed file
First-Level Appeal
The same clinician owns the appeal. No relay, no lost context.
if it escalates
IRO-Ready Documentation
Clean, criteria-cited file ready for independent review
Full IRO
Separate engagement, only when needed
The VantaUM Model

Three layers.
One case through appeal.

01
Concierge Intake

A dedicated, named coordinator opens each case and assembles the record. They know the criteria, the provider relationships, and the case history. Available. Accountable. Never a portal queue.

Human-first
02
AI Brief Engine

The secret sauce. It extracts and classifies the clinical record, cross-references evidence-based criteria, and prepares the full brief before a clinician opens the file. That's what makes the workflow fast and consistent — and the documentation IRO-ready by default.

AI-powered
03
Same Clinician, Through Appeal

Board-certified specialists in active practice — the same reviewer who owns the authorization owns the first-level appeal. Continuity, not a queue. When a cardiology case arrives, a cardiologist carries it the whole way.

Clinical excellence

Most operations split a single case across a queue of reviewers and call it scale. We built VantaUM so one clinician owns the case from authorization through appeal — because continuity is what makes the documentation hold up.

VantaUM · A Wells Onyx Company

Why VantaUM

What a generalist
UM queue won't tell you.

Most UM operations were built to process every case the same way. VantaUM was built around clinical ownership — one reviewer per case, from authorization through first-level appeal — with the documentation to back the decision when it's tested. It's why it holds up on everyday UM and shines on your hardest out-of-network cases.

The QuestionGeneralist UM QueueVantaUM
Who owns a case?Whoever pulls it off the queue next. Ownership changes at every stage.One named clinician, from authorization through first-level appeal.Continuity
How is the case prepared?A raw document stack lands on a reviewer's desk.The AI Brief Engine pre-briefs every case against criteria before review.
What happens on appeal?A different reviewer picks it up cold and rebuilds the context.The same clinician owns the first-level appeal. No lost context, no relay.
How good is the documentation?Assembled after the fact, when an auditor or IRO asks for it.Criteria-cited and IRO-ready from the moment the case is reviewed.
What if a case escalates to IRO?Scramble to assemble a defensible file under deadline.The file is already clean — independent review picks up a complete record.
How do we engage it?Rebuild the capability internally, or buy a one-size-fits-all platform.Bundled per case, or embedded as a specialized extension of your team.
See It Live

Watch the Brief Engine work.
Then meet the clinician behind it.

This is a live demo of the VantaUM intake and Brief Engine. Submit a case and watch it go from raw documents to a fully pre-briefed, criteria-cited file — the same file a clinician carries from authorization through appeal.

Live Demo Environment All patients, cases, and organizations shown are fictional and for illustrative purposes only.
1
Case Intake
2
AI Brief Generation
3
Physician Review
4
Determination

Case VUM-2026-004821 received via portal

Patient Name
Maria Santos
Date of Birth
03/15/1968
Member ID
SWA-2026-88421
Requesting Provider
Dr. Sarah Chen, MD
Procedure Code
CPT 72148 — MRI Lumbar Spine without Contrast
Diagnosis
M54.5, M54.16 — Low back pain, Radiculopathy
Payer
Southwest Administrators
Review Type
Prior Authorization

Ready to see how this runs on your actual caseload? Or explore the full guided canned tour with synthetic Southwest TPA data.

Accreditation

Documentation
that holds up under
independent review.

A determination is only as strong as the record behind it. VantaUM is built to the standard that matters when a case is tested — URAC-aligned, criteria-cited, and ready for an independent reviewer the moment it's written.

IRO-ready by default
Every case is documented to independent-review standard during the bundled work — not reconstructed under deadline once a case escalates.
Criteria-cited determinations
Each decision is tied to the evidence-based criteria behind it, so the rationale is clear to a provider, an auditor, or an independent reviewer.
Credentialed clinical rigor
A credentialed operation that the most regulated programs and the most demanding self-funded plans can stand behind — signaled before a single conversation begins.
Wells Onyx Portfolio

VantaUM is part of the Wells Onyx constellation — alongside VantaHG, Onyx Semiconductor, Grain & Vault, and WellsAI. Trust + Outcomes.

Let's Talk

Bring us the cases
that matter most.

Whether you want a clinical layer for your everyday utilization management, a specialized engine for your out-of-network exposure, or both — embedded in your team or run externally — the conversation starts the same way: tell us about your caseload.

Email us directly. No form. No sales queue. You'll hear back from someone who can actually make a decision.