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Interoperability Insights & Playbooks

Practical guidance on HL7 v2 ↔ FHIR, CMS-0057-F readiness, prior authorization, TEFCA, and AI-native mapping — written for the people who have to make healthcare data actually move.

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Featured
July 28, 202611 min read
CMS-0057-F: What the 2027 Deadline Actually Requires (and Why Payers Are Behind)

CMS-0057-F forces impacted payers to stand up four FHIR APIs by January 1, 2027 — yet ~43% of payers had not started as of October 2025. Here is exactly what the rule requires, the mandated technical stack, the staged timeline, and how to catch up.

Health1st Interoperability TeamHealth1st
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Featured
July 14, 202612 min read
HL7 v2 to FHIR: Bidirectional Migration Without Rip-and-Replace

FHIR is not replacing HL7 v2 — the two must coexist. This guide shows how v2 segments map to FHIR resources, why the hard part is semantic fidelity, and how AI-assisted mapping turns a months-long interface backlog into days of reviewable work.

Health1st Interoperability TeamHealth1st
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Featured
June 30, 202612 min read
FHIR in 2026: A Practical Implementation Guide for Healthcare Interoperability Leaders

FHIR is now non-optional for every certified EHR and mandated for payers under CMS rules. This guide covers FHIR fundamentals, US Core conformance, the standards that matter (SMART, Bulk Data, Da Vinci), architecture options, and how to deliver in weeks, not years.

Health1st Interoperability TeamHealth1st
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All Articles

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Compliance
Featured

CMS-0057-F: What the 2027 Deadline Actually Requires (and Why Payers Are Behind)

CMS-0057-F forces impacted payers to stand up four FHIR APIs by January 1, 2027 — yet ~43% of payers had not started as of October 2025. Here is exactly what the rule requires, the mandated technical stack, the staged timeline, and how to catch up.

Jul 28, 202611 min read
Health1st Interoperability Team
Health1st
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1200x630px

Interoperability
Featured

HL7 v2 to FHIR: Bidirectional Migration Without Rip-and-Replace

FHIR is not replacing HL7 v2 — the two must coexist. This guide shows how v2 segments map to FHIR resources, why the hard part is semantic fidelity, and how AI-assisted mapping turns a months-long interface backlog into days of reviewable work.

Jul 14, 202612 min read
Health1st Interoperability Team
Health1st
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Interoperability
Featured

FHIR in 2026: A Practical Implementation Guide for Healthcare Interoperability Leaders

FHIR is now non-optional for every certified EHR and mandated for payers under CMS rules. This guide covers FHIR fundamentals, US Core conformance, the standards that matter (SMART, Bulk Data, Da Vinci), architecture options, and how to deliver in weeks, not years.

Jun 30, 202612 min read
Health1st Interoperability Team
Health1st
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Pharmacy & RCM

PARDD Explained: The CMS-0057-F Prior Authorization API and the X12 278 Bridge

PARDD is the hardest of the four CMS-0057-F APIs because it reworks an entire workflow. Learn how it uses the Da Vinci CRD, DTR, and PAS guides, why it must bridge X12 278, and how AI assembles documentation to cut prior-auth burden.

Jun 16, 202610 min read
Health1st Interoperability Team
Health1st
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Industry Trends

TEFCA and QHINs: How Nationwide Health Data Exchange Actually Works

TEFCA connects separate health data networks nationwide through QHINs. Learn what a QHIN is, how the framework is moving toward FHIR, why translation lives at the network edge, and what it means for HIEs, vendors, and providers.

May 28, 20269 min read
Health1st Interoperability Team
Health1st
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Interoperability

Real-Time Prescription Benefit: Bringing Price Transparency Into the Prescribing Workflow

RTPB shows patient-specific drug coverage and out-of-pocket cost at the point of prescribing. Learn how NCPDP RTPB v13 is converging with the CARIN FHIR IG, how it connects to e-prescribing, and why RxNorm/NDC accuracy makes or breaks it.

May 12, 20269 min read
Health1st Interoperability Team
Health1st
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AI & Automation

AI-Native Interface Mapping: How to Turn Months of HL7-to-FHIR Work Into Days

Legacy integration engines make interface mapping slow and consultant-heavy. Learn how a fleet of specialized AI agents drafts mappings, normalizes terminology, and validates conformance — with human-in-the-loop review and a full audit trail.

Apr 30, 202610 min read
Health1st Interoperability Team
Health1st
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