The open-source MPI option used to be a narrow niche. In 2026 it has matured into a credible production path…
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Top 5 FHIR Form Tools for Patient-Reported Outcomes in 2026
Patient-reported outcomes programs in 2026 ride on FHIR Questionnaire and QuestionnaireResponse, with PROMIS, PHQ-9, GAD-7, and dozens of disease-specific instruments…
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Top 4 FHIR Servers for Payer-Provider Data Exchange in 2026
Payer-provider data exchange under the CMS Interoperability and Patient Access rule has reshaped FHIR server selection for both sides of…
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Reading a FHIR Resource Definition the Way Developers Read a Class
A FHIR resource definition is not that different from a class definition in a strongly typed language. The names differ,…
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R4 vs R5: The Resources That Changed Enough to Notice
R5 is the newest FHIR release, and most integrations still run R4. That gap is where teams have to keep…
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Must-Support Elements and What Implementers Actually Do
Must-Support is the FHIR concept most often misread as "required." It is not. It is a signal to implementers that…
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The Extension Model: When a FHIR Resource Is Silent on Your Data
Every FHIR resource has fields the spec author picked. Every implementation has data the spec author did not pick. The…
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Profiles and Slicing at a Glance
FHIR profiles are how one resource type serves many implementation contexts. US Core Patient, International Patient Summary, and CARIN Blue…
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Reference vs Contained: When to Embed and When to Link
FHIR R4 gives two ways to connect one resource to another. Reference points at a resource by URL or logical…
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Top 5 MPI Engines for Payer-Driven Patient Reconciliation in 2026
Payer-driven patient reconciliation has become a distinct MPI workload in 2026. CMS interoperability rules pushed payers into FHIR exchange, and…
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