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Per Square Metre

Payer-side FHIR architecture: Da Vinci IG adoption, analytics stacks, and payer platform engineering notes.

  • Terminology server
  • Medical form builder
  • Master patient index
Editorial illustration in bauhaus-grid style depicting version-specific vs current-version references with a highlighted retention window
    • Reference Resolver

Version-Specific References: When You Need Them, When You Don't

A FHIR reference can point at a specific version of a resource by appending _history/N to the URL. That version-specific…

Jacob Berkowitz July 13, 2026
Editorial illustration in bauhaus-grid style depicting reference integrity across two federated FHIR servers with URL and identifier fallback
    • Reference Resolver

Reference Integrity in a Distributed FHIR Deployment

Reference integrity in a single-node FHIR server is a solved problem. Reference integrity across multiple servers, replicas, or federated stores…

Jacob Berkowitz July 13, 2026
Editorial illustration in bauhaus-grid style depicting contained vs external FHIR references with cost and outage-safety annotations
    • Reference Resolver

Contained References vs External References: Cost and Safety

FHIR gives two ways to point one resource at another: contain it inside the parent, or reference it externally by…

Jacob Berkowitz July 12, 2026
Editorial illustration in bauhaus-grid style depicting version-specific vs current-version references with a highlighted retention window
    • Reference Resolver

Version-Specific References: When You Need Them, When You Don't

Jacob Berkowitz July 13, 2026
Editorial illustration in bauhaus-grid style depicting reference integrity across two federated FHIR servers with URL and identifier fallback
    • Reference Resolver

Reference Integrity in a Distributed FHIR Deployment

Jacob Berkowitz July 13, 2026
Editorial illustration in bauhaus-grid style depicting contained vs external FHIR references with cost and outage-safety annotations
    • Reference Resolver

Contained References vs External References: Cost and Safety

Jacob Berkowitz July 12, 2026
Editorial illustration in bauhaus-grid style depicting a Bundle reference resolver with an in-memory index and shape-dispatch lookups
    • Reference Resolver

Resolving FHIR References Without a Full Database Walk

Jacob Berkowitz July 12, 2026
EMR Development for Payer Platforms: 5 Design Considerations

EMR Development for Payer Platforms: 5 Design Considerations

Payer-side EMR-adjacent platforms have distinct design considerations. Five that shape payer-platform architectures. Consideration 1: Coverage data as primary resource. Coverage…

SDC Form Builder Features: 7 That Actually Matter for Payer Forms

SDC Form Builder Features: 7 That Actually Matter for Payer Forms

SDC form builders for payer use cases (prior auth, appeals, member surveys) have specific requirements. Seven features distinguish production-ready from…

Digital Forms for Healthcare: Adoption Patterns in Payer Ops

Digital Forms for Healthcare: Adoption Patterns in Payer Ops

Digital forms in payer operations serve specific workflows: prior authorization, appeals, member surveys, provider credentialing. Understanding adoption patterns shapes deployment.…

7 Steps to Digitize Paper Forms in Payer Operations

7 Steps to Digitize Paper Forms in Payer Operations

Digitizing paper forms in payer operations follows a specific sequence. Seven steps cover essentially every project. Step 1: Inventory current…

FHIR SDC in Payer Prior Auth: What's Actually Required

FHIR SDC in Payer Prior Auth: What's Actually Required

FHIR SDC intersects with payer prior authorization workflows through Da Vinci DTR (Documentation Templates and Rules). Understanding the integration shapes…

EHR-FHIR Integration for Payer Data Exchange: What Actually Ships

EHR-FHIR Integration for Payer Data Exchange: What Actually Ships

EHR-FHIR integration for payer data exchange follows Da Vinci patterns. Understanding what ships in production shapes realistic expectations. Data flows…

Finding Strength in My EHR Development Struggle - A Breakthrough Solution

Finding Strength in My EHR Development Struggle - A Breakthrough Solution

Have you ever felt utterly defeated by a project, like you’re banging your head against a brick wall? That was…

Say Goodbye to Paperwork Purgatory; Hello, Medical Form Builder Bliss!

Say Goodbye to Paperwork Purgatory; Hello, Medical Form Builder Bliss!

Ever feel like you’re drowning in a sea of medical forms? You know, those endless questionnaires patients fill out, the…

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Fixing broken refs?

Fixing broken refs?

Debugging a Bundle full of broken references? a Bundle reference walker parked here will find the culprits.

Recent Posts

  • Version-Specific References: When You Need Them, When You Don't
  • Reference Integrity in a Distributed FHIR Deployment
  • Contained References vs External References: Cost and Safety
  • Resolving FHIR References Without a Full Database Walk
  • How to Author an SDC ExtractDefinition for a Multi-Answer PROMs Instrument

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  • Da Vinci Ecosystem
  • Fhir Platform Architecture
  • Master patient index
  • Medical form builder
  • Payer Side Analytics Ai
  • Reference Resolver
  • Terminology server

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