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Hl7.Fhir.R4B package icon

Hl7.Fhir.R4B

Firely's SDK for working with HL7 FHIR R4B. This is the root package for the SDK includes core functionality to working with RESTful FHIR servers, POCO classes for FHIR, parsing/serialization of FHIR data and working with conformance data and terminologies.

Total Downloads
1.2M
1,163,112
Published
Jul 8, 2026
Latest stable version

Install

.NET CLI
dotnet add package Hl7.Fhir.R4B --version 6.3.0
Package Manager Console
Install-Package Hl7.Fhir.R4B -Version 6.3.0
PackageReference
<PackageReference Include="Hl7.Fhir.R4B" Version="6.3.0" />

Frameworks

net8.0 .NETStandard2.1

Dependencies

[6.3.0, )
Hl7.Fhir.Conformance
.NETStandard2.1
[6.3.0, )

Adoption guide

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Compatibility metadata lists 2 target frameworks; confirm the exact target used by your application.

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