Evidence-gated coding intelligence for Medicare Advantage.
Neurona 28 is a Pocket Auditor that validates diagnosis codes against documented clinical evidence. It suggests only what the record supports — and refuses to guess.
Pre-Seed · MVP in Progress · Private Early Access
An evidence-gated clinical documentation tool for Medicare Advantage.
Neurona 28 is an evidence-gated clinical documentation tool built for Medicare Advantage risk adjustment professionals. The Pocket Auditor validates diagnosis codes against documented clinical evidence. It suggests only what the medical record supports and refuses to guess. Designed for the CMS-HCC V28 payment model, it serves solo and independent risk adjustment coders, medical auditors, CDI specialists, and physicians navigating increased audit enforcement and code elimination.
V28 rewrote the rules. Your tools didn't update.
In January 2026, CMS fully implemented the V28 payment model. In Puerto Rico, that change lands on a healthcare system already underfunded and already under strain. Reimbursement pressure increases, documentation carries greater financial consequence, and charts that once moved quickly now require more time, more precision, and stronger defensibility. The coding professional’s toolkit was not built for this.
A Pocket Auditor at the point of documentation.
Neurona 28 sits between the clinical record and the coding decision. You provide the clinical findings. The platform maps them to V28-compliant codes — and links every suggestion to the specific evidence that supports it. No inferences. No assumptions. No codes without proof.
Human-in-the-loop by design. You provide clinical judgment. N28 provides V28 regulatory intelligence and evidence validation.
Golden Record Ground Truth
The platform is governed by a proprietary ground truth engine — not generic LLM training data. Clinical scenarios built by payer-level audit professionals who know what survives a federal audit.
Anti-Assumption Behavior
The system is trained to refuse. It will not infer a diagnosis from medication alone, assume causality between co-existing conditions, or fill documentation gaps with clinical assumptions.
Bilingual by Design
Purpose-built for the bilingual clinical environment. Processes the Spanish-English code-switching characteristic of Puerto Rico's clinical workforce without requiring translation.
Four steps. Evidence at every one.
Review
Review the patient's medical record in your EHR — progress notes, labs, imaging, encounter documentation. Apply your professional clinical judgment.
Input
Type clinical findings directly into Neurona 28 in the language you naturally use — including Spanish-English code-switching. No EHR connection required.
Validate
The platform maps your input against V28 coding rules and applies evidence-gating: every suggested code must be explicitly supported by your documented input.
Output
Receive validated codes with traceable evidence chains. Gaps are flagged with non-leading physician queries. Output is structured to be audit-defensible from the moment it is generated.
Built differently. On purpose.
Golden Record Ground Truth
The platform is governed by a proprietary ground truth engine — not generic LLM training data. Clinical scenarios built by payer-level audit professionals who know what survives a federal audit.
Anti-Assumption Behavior
The system is trained to refuse. It will not infer a diagnosis from medication alone, assume causality between co-existing conditions, or fill documentation gaps with clinical assumptions.
Bilingual by Design
Purpose-built for the bilingual clinical environment. Processes the Spanish-English code-switching characteristic of Puerto Rico's clinical workforce without requiring translation.
Built for the professional at the desk.
Risk Adjustment Coders
Navigate V28 code eliminations and reclassifications with evidence-backed validation at the point of coding.
V28 coding
Medical Auditors
Review documentation with an AI co-pilot that applies the same evidence standards you would — and flags what it cannot confirm.
Documentation review
CDI Specialists
Identify documentation gaps and generate non-leading physician queries to close them — without suggesting what to document.
Documentation gaps
Physicians
Receive structured, evidence-based queries about your documentation that help ensure accurate risk capture without adding to your workload.
Risk capture queries
Private Early Access
We are building the Pocket Auditor with a small group of auditors in Puerto Rico — the most demanding Medicare Advantage environment in the United States. Neurona 28 is pre-revenue and in active development.
Join the first cohort.
We are onboarding a select group of risk adjustment professionals in Puerto Rico. Request early access to be considered.
- Evidence-gated — no guessed codes
- V28-native from day one
- Built for Puerto Rico's clinical workflow