The presentation by Paul Lynch (U.S. National Library of Medicine) highlights a suite of FHIR Questionnaire tools developed by the NLM team. Key products include LHC-Forms, an open-source JavaScript widget for rendering and filling SDC-compliant forms; the NLM Form Builder for creating FHIR Questionnaires; and supporting tools like fhirpath.js (FHIRPath in JavaScript), the Clinical Table Search Service (for fast code lookup and ValueSet expansion), and UCUM validation libraries. The session demonstrates how these tools support advanced SDC features—such as pre-population, calculations, and extraction—across multiple FHIR versions, and showcases practical demos for building, validating, and rendering interoperable clinical forms.
• LHC-Forms, an open-source JavaScript Questionnaire-renderer and SDC form filler
• NLM Form Builder, an open-source Questionnaire builder
• A few other tools such as fhirpath.js, the Clinical Table Search Service, and NLM's UCUM tools
Paul Lynch is technical lead of the Clinical Data Interoperability Team at the U.S. National Library of Medicine (NLM). Since 2016, NLM has had a project (https://lhcforms.nlm.nih.gov) which since 2016 has been developing web services and open-source tools for FHIR. Because many of these tools are questionnaire-related, Paul participates in the FHIR-I calls for Questionnaire and helps run the Questionnaire track at FHIR Connectathons.
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