HL7 provides a web-based FHIR validatör that allows users to validate FHIR resources against the FHIR specification and Implementation Guides (IGs). This tool is essential for ensuring the accuracy and interoperability of FHIR-based systems.

The documentation for the validator is located at https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator. The user interface has equivalent settings to all command-line options. The main flow of actions is described below.

User Interface and Flow

1. Access the Validator: Visit the FHIRLab Validator website.
2. Upload Resource: Select the FHIR resource file you want to validate and upload it to the validator.
3. Choose Validation Options: Select the appropriate FHIR version and any relevant IGs.
4. Validate: Click the “Validate” button to initiate the validation process.
5. Review Results: The validator will display the validation results, including any errors or warnings.

Key Features

• Resource Validation: Users can upload FHIR resources in various formats (JSON, XML, etc.) and validate them against the specified FHIR version and IG.
• Error Reporting: The validator provides detailed error messages and explanations for any validation failures, helping users identify and correct issues.
• IG Support: The validator can be configured to validate against specific IGs, ensuring compliance with custom requirements.
• User-Friendly Interface: The web interface is designed to be intuitive and easy to use, making it accessible to a wide range of users.

By using the HL7 FHIR Validator, you can ensure that your FHIR resources are well-formed, compliant with the standard, and interoperable with other systems.