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Svetlana Golubeva for Health Samurai

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How to create a FHIR Implementation Guide

FHIR gives us a common language to talk about healthcare data but without shared rules, systems still talk past each other.

That's where Implementation Guides (IGs) come in. They turn FHIR's flexibility into enforceable rules: which fields are required, which codes are valid, what extensions your app supports, and even which queries every server must handle.

In this post:

  • Why “FHIR-compliant” isn't enough
  • How profiles, extensions, and ValueSets work together
  • Writing your own SearchParameters and Operations
  • Packaging and sharing your IGs with the world

🎯 Whether you're building an EHR, patient app, or analytics pipeline, IGs make sure your data speaks the same dialect—clean, consistent, and computable.

👉 Read the full article by Gena Razmakhnin, Software Engineer at Health Samurai, to dive into real examples, code snippets, and best practices.

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