Clinical and claims paperwork, structured and triaged.
Document Processing reads faxed referrals, records and claims, low-quality scans included. Drex triages denials, prior auths and patient messages.

Trusted by
- Big Fouraccounting firm
- file types, faxes and scans included
- 36
- on grounding in Nace's Perception evaluation
- #1
- model latency per decision, not end-to-end workflow time
- <200 ms
Sources: Perception evaluationDrex benchmarks
Revenue waits on paperwork no one has had time to read.
Referrals arrive by fax, denials arrive as remits, and prior auths need evidence from the chart. Nace turns each into structured data and makes the first call, so staff work a ranked queue.
Where Nace fits
Each workflow names the model that does the work.
- Document Processingreads
- Drexdecides
Fax and referral intake
Faxed referrals turned into structured patient, provider and order data.
Document ProcessingClaims and EOB extraction
CMS-1500, UB-04 and EOB line items, with every code and amount cited.
Document ProcessingDenial triage
Each denial categorized: appeal, correct and resubmit, or write off.
DrexPrior auth criteria
Evidence pulled from the record and checked against each criterion, for a clinician to confirm.
Document ProcessingDrexCoding validation
Claims flagged where the codes may not match the documentation.
DrexPatient message routing
Each patient message sent to the right team at the right urgency.
Drex
Denial management, end to end
- 01
Remits in
EOBs and denial notices
- 02
Document Processing reads
Denial reason and claim lines
- 03
Drex decides
Appeal, correct or write off
- 04
Your RCM team
Works a ranked queue
- 05
Drex for Search finds
Any payer rule or past appeal
What it reads
- Faxed referrals
- Medical records
- Lab reports
- CMS-1500 claims
- UB-04 claims
- EOBs
- Prior auth forms
Runs where your data already lives.
Same models and the same API at every tier. Only the boundary around your data changes.
SOC 2 Type II audited. Visit the Trust Center
- Managed CloudOur GPUs, our API, a key from Console.
- Dedicated CloudYour own cluster in our cloud, reached over private links.
- Your CloudInstalls in your AWS or Azure account. Data stays inside.
- On-Prem & Air-GappedYour datacenter, your hardware, zero outbound.
See it on your own files.
Send us a file and the decision you make on it. We'll show you the result on your own documents.
Related industries
- InsuranceSubmissions and claims extracted, then triaged, checked for coverage and scored for fraud signals.
- GovernmentApplications extracted, checked against each requirement and routed, fully air-gapped.
- Professional servicesClient documents read and requests routed, for tax, advisory and consulting firms.