Resources & Insights

Expert guidance on healthcare data integration - HIPAA X12, FHIR R4, HL7, and regulatory compliance from the team at Redix.

Architecture & Strategy

System design decisions for healthcare data infrastructure
278 PAS

Why 278 PAS? The Question Nobody Is Asking

The X12 278 has among the lowest adoption of any HIPAA transaction. CMS responded with FHIR-based Prior Auth APIs - but the legal and architectural implications of running two parallel standards are rarely discussed.

10 min read Read article
Canonical Model

FHIR Is an Interface Contract - Not an Operational Core

Why binding internal prior authorization logic to FHIR creates long-term architectural fragility, and how a canonical operational model reduces risk as standards evolve.

8 min read Read article

Compliance & Regulatory

CMS mandates, HIPAA requirements, and deadline guidance
FHIR Provenance

FHIR Provenance: The Compliance Audit Trail for CMS-0057-F

CMS-0057-F is about traceability, not just APIs. What FHIR Provenance is, why prior authorization needs an audit trail, and how Redix emits it.

8 min read Read article
Da Vinci PAS

Da Vinci PAS Versions: 2.0.1, 2.1.0, 2.2.1 & CMS-0057-F

Which Da Vinci PAS version should you build and validate against? How PAS 2.0.1, 2.1.0, and 2.2.1 affect X12 278 to FHIR PAS work.

9 min read Read article
Medicare Advantage

What Medicare Advantage Plans Need to Know About Prior Authorization APIs

MA plans are directly in scope for CMS-0057-F. The dual-stack path: a FHIR API out front, X12 278 inside, and a conversion layer between.

8 min read Read article
CMS-0057-F

CMS-0057-F Deadline: What Payers Must Do Before January 2027

Complete guide to CMS-0057-F compliance. Operational requirements are already in effect. API deadline is January 2027.

10 min read Read article

Technical How-To

Step-by-step guides with working code examples
HL7 to FHIR

HL7 v2.x to FHIR: Bridging Clinical Data for Interoperability

ADT and ORU still run clinical systems. Bridge HL7 v2.x to FHIR R4 at the interface layer, validated with an automated FHIR audit, without replacing your message infrastructure.

8 min read Read article
PAS Mapping

FHIR PAS to X12 278 Mapping Guide

Step-by-step mapping from FHIR Da Vinci PAS bundles to X12 278 prior authorization requests, with real examples and live converter.

12 min read Read article
837 to FHIR

How to Convert HIPAA 837 Claims to FHIR R4: A Step-by-Step Guide

Complete technical guide to converting 837P, 837I, and 837D claims to FHIR R4 Bundles with Python, JavaScript, and curl examples.

10 min read Read article
837P → CMS-1500

Convert HIPAA 837P Claims to CMS-1500 Form

Field-by-field mapping from 837P segments to CMS-1500 boxes. Production-tested conversion with live PDF generation.

14 min read Read article
837I → UB-04

Convert HIPAA 837I Claims to UB-04 (CMS-1450)

Field-by-field mapping from 837I segments to UB-04 form locators for institutional claims. 81 form locators, 22 revenue lines per page.

15 min read Read article
837D → ADA J400

Convert HIPAA 837D Claims to ADA Dental Claim Form

Field-by-field mapping from 837D segments to ADA J400 boxes. Covers tooth numbering, surface codes, CDT procedures, and prosthesis tracking.

16 min read Read article
835 ERA → PDF

Convert HIPAA 835 ERA to PDF Remittance Report

No standard form exists for the 835. See how to convert ERA payment files into structured remittance reports with mapping, CARC/RARC examples, and a live tool.

10 min read Read article

Industry Education

Foundational knowledge and reference guides
Reference Guide

Understanding the 12 HIPAA X12 Transaction Types

Complete guide to all 12 HIPAA X12 transaction types: 837, 835, 834, 820, 270/271, 276/277, and 278. Includes direction, purpose, and FHIR mapping.

12 min read Read article

Product Announcements

New features, APIs, and capabilities
New

Redix MCP Server: Healthcare Conversion Tools for AI Agents

Connect Claude, Cursor, or any MCP-compatible AI agent to healthcare data conversion tools. Validate X12, convert to FHIR, generate PDFs - through conversation.

8 min read Read article
Product

Introducing Redix REST APIs: Convert Healthcare Data in Seconds

Convert HIPAA X12, HL7, CDA to FHIR R4 with a single API call. Sub-150ms latency, all 12 HIPAA transaction types, zero persistence security.

7 min read Read article

Use Cases & ROI

Real-world implementation strategies
Strategy

From Months to Minutes: Accelerating EDI Integration

Stop building healthcare data parsers. Shift from months of EDI development to minutes of API integration. Focus engineering talent on proprietary value.

6 min read Read article
Audit

837 and 835 Audit Archives: Why PDF Conversion Alone Is Not Enough

Auditors ask for specific claim and remittance images years later. A converter renders a file; an archive lets you find it, show what it came from, and hand over a verifiable package.

6 min read Read article

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