The AI Intelligence Layer for Pre-Bill Revenue Integrity
Purpose-built AI applications that detect and resolve revenue risk before claims are submitted.
Built for healthcare finance teams · Specialty-aware · No rip-and-replace
Revenue doesn't break at submission It breaks before it
Most organizations focus on denials after claims are rejected. But revenue loss starts earlier — in documentation gaps, eligibility errors, missing authorizations, and coding inconsistencies.
By the time a claim is denied, the damage is already done. Grelin shifts revenue intelligence upstream — where issues are fastest and least expensive to fix.
Purpose-built AI applications. Powered by Grelin
Each application targets a specific pre-bill revenue risk — all powered by the same intelligence engine.
Wound.ai — Audit Review
Patient #3847 · Sarah M. · Admitted 04/01/26
| Wound type | Pressure ulcer — sacral | Gap |
| ICD-10 code | L89.313 · L89.154 | Verified |
| Debridement | Note missing 04/03 | Review |
| Photo doc. | 2 of 4 uploaded | Incomplete |
| Complexity | Multi-wound · 3 sites | Flag |
| Measurements | Dimensions not recorded | Missing |
4 documentation gaps detected
Est. $2,640 at risk · Pre-bill action required
Wound.ai
Pre-bill revenue intelligence for wound care complexity. Reduce documentation gaps and denial exposure.
Explore Wound.ai →Pain.ai — Code Validation
Epidural steroid inj. · CPT 64483 · 04/09/26
Validation Score
3 of 5 checks passed
Action required before submission
Risk: Medium · 2 code issues flagged
Modifier 59 conflict · Diagnosis linkage incomplete
Pain.ai
AI-powered billing validation for pain management. Prevent coding and documentation misalignment before submission.
Explore Pain.ai →PriorAuth.ai — Gap Scan
Claim #PA-2024-881 · Multi-procedure · 04/09/26
Spine injection L3–L4
Auth #AUT-4412 · valid thru 06/30/26
MRI lumbar w/ contrast
No active authorization on file
PT sessions — 12 req.
6 of 12 approved · renewal pending
Lab panel — CBC/CMP
Payer response awaited · sent 04/07
Fluoroscopy guidance
Bundled with spine auth · confirmed
2 upstream gaps · Est. $3,200 at risk
MRI auth missing · PT partial approval
PriorAuth.ai
Detect authorization gaps before they delay reimbursement. Reduce friction and prevent claim disruption.
Explore PriorAuth.ai →John Doe · DOB 04/15/1972
BlueCross PPO · Member XY-8821043
⚠ Coverage lapsed — verify eligibility before service
Last active: 12/31/25 · Renewal not confirmed
| Effective date | 01/01/26 – 12/31/25 | Lapsed |
| Network status | In-network (PPO) | Verified |
| Deductible | $1,200 remaining | Alert |
| Copay | $40 specialist visit | OK |
| Out-of-pocket | $3,500 max · $2,100 met | Tracking |
| Authorization | Required for this svc | Missing |
Eligibility.ai
Catch coverage and eligibility breakdowns upstream. Minimize preventable claim rejections tied to payer verification.
Explore Eligibility.ai →Performance.ai — Dashboard
Revenue overview · Apr 2026
$2.4M
At-risk revenue
18%
Denial rate
+11%
Recovery trend
Weekly denial trend — Q2 2026
Recovery up 11% · 3 risk patterns resolved
Avg resolution time: 1.4 days pre-bill
Performance.ai
Turn pre-bill insights into operational visibility. Monitor risk patterns, workflow gaps, and revenue performance trends.
Explore Performance.ai →Pre-bill revenue intelligence for wound care complexity. Reduce documentation gaps and denial exposure.
Explore Wound.ai →Wound.ai — Audit Review
Patient #3847 · Sarah M. · Admitted 04/01/26
| Wound type | Pressure ulcer — sacral | Gap |
| ICD-10 code | L89.313 · L89.154 | Verified |
| Debridement | Note missing 04/03 | Review |
| Photo doc. | 2 of 4 uploaded | Incomplete |
| Complexity | Multi-wound · 3 sites | Flag |
| Measurements | Dimensions not recorded | Missing |
4 documentation gaps detected
Est. $2,640 at risk · Pre-bill action required
Grelin is not a single RCM tool
AI Intelligence Layer
An AI Intelligence Layer embedded into your existing healthcare workflows — analyzing clinical and financial signals before submission to detect risk, prevent breakdowns, and optimize performance.
Purpose-Built Apps
Each Grelin application solves a specific pre-bill challenge. Every application is powered by the same intelligence engine.
Built to Scale
As your organization grows, the intelligence grows with it.
Built for high-scrutiny specialties
and scaling organizations
Healthcare specialties with complex documentation and aggressive payer oversight face disproportionate revenue risk. Grelin is purpose-built for the environments where getting it wrong is most expensive.
See Specialty SolutionsWound Care
Complex documentation requirements and high denial exposure make wound care a priority for upstream validation.
Pain Management
Payer scrutiny and prior authorization requirements create disproportionate billing risk that Grelin catches early.
MSO / Multi-Specialty
Multiple payers, specialties, and locations compound revenue risk. Grelin scales across your entire organization.
What happens when revenue intelligence moves upstream
Catch issues before they become denials. Grelin surfaces pre-bill risk across documentation, eligibility, authorization, and coding.
Caught upstream before submission
Automated risk detection at scale
Consistent pre-bill validation
Fewer surprises, fewer rework cycles
Let's Connect!
This is not incremental improvement.
It is structural revenue integrity
Documentation Analysis
Reads clinical notes and compares against billing requirements — specialty by specialty — before submission.
Payer Rule Modeling
Identifies payer-specific denial triggers and validation requirements prior to claim transmission.
Eligibility & Authorization
Verifies coverage alignment and authorization requirements so services don't hit a revenue wall downstream.
Risk Scoring Engine
Assigns configurable risk scores to charts, claims, and workflows — surfacing the issues that need attention first.
See where your revenue is at risk before claims go out the door
Grelin identifies pre-bill revenue risk across documentation, eligibility, authorization, and coding — before it becomes a denial.