Terminology eXplorer

Free FHIR terminology router and viewer

Terminology eXplorer is a unified gateway to browse, search, and access healthcare terminologies across multiple FHIR servers, FHIR Implementation Guides, FHIR NPM packages. Supports FHIR R4, R5 and R6 standards. Docker-based deployment in minutes.

Features

Router Intelligent Routing
  • Multi-server request routing
  • Intelligent caching (1000x faster)
  • ValueSet merging across servers
  • Version management (pipe/dash)
  • FHIR operations ($expand, $lookup, $validate-code)
  • Content negotiation (HTML, JSON, XML)
Viewer Visual Interface
  • Interactive dashboard
  • Full-text concept search
  • Concept hierarchy browser
  • Multi-language support (EN, LT, ET, RU)
  • Topology visualization
  • Syntax-highlighted JSON/XML views
Standards Compliance
  • FHIR R4, R5 & R6
  • HL7 Terminology Ecosystem IG
  • Any FHIR server, FHIR IG, FHIR Package NPM
  • WHO ICD-11 (FHIR + Coding Tool)
  • SNOMED CT, LOINC, local code systems
  • ecosystem.json configuration
  • Batch Bundles & $translate / $subsumes
  • Docker containerized

Why to use

Analyst Business & Clinical
  • Unified terminology access
  • Browse & search across all servers
  • Content negotiation (browser = UI)
  • ValueSet expansion & browsing
  • Version tracking & comparison
  • No technical knowledge required
Developer Technical Integration
  • FHIR-native REST API
  • Docker: 5-minute setup
  • 4 caching strategies
  • ecosystem.json configuration
  • NPM package support
  • 1–6ms cached responses
C-Level Executive Decision
  • Free forever — $0 licensing
  • 1000x performance improvement
  • <1 day deployment
  • 99.9% uptime (stress tested)
  • No vendor lock-in
  • Standards compliance (FHIR R4/R5/R6)

Customers

Explore by Audience

Free Forever Apache 2.0 + Commons Clause
FHIR R4/R5/R6 Standards Native
1000x Faster Cached Responses
<1 Day Setup Time

Ready to explore your terminologies?

See it in action on two public deployments:

  • tx.helex.dev — HELEX EMR-attached ecosystem (MDM/MPI/HSD plus WHO ICD-11, SNOMED CT, LOINC)
  • tx.hl7.lt — HL7 Lithuania affiliate, serving Lithuanian healthcare terminologies

Click-through examples for every FHIR operation: tx.helex.dev/examples.html · tx.hl7.lt/examples.html

Terminology eXplorer developed by HELEX Solutions Ltd, licensed under Apache 2.0 with Commons Clause and free for use.

For source code access, contact the developer.