HL7 Workbench

HL7 Specification Browser, Parser, and Terminology Reference

Parse, validate, and explore HL7 v2 messages. Browse FHIR resources, terminology, and specification documentation.

Client-Side Parsing

Parsing runs entirely in your browser. Messages are never uploaded.

Multi-Version Support

Complete schemas for HL7 v2.1 through v2.9

Schema Validation

Data types, lengths, tables, optionality

Terminology Services

THO, LOINC, SNOMED CT code validation

Conformance Profiles

Validate against implementation guides

FHIR Integration

Browse V2-to-FHIR mappings & terminology

Paste an HL7 v2 message to begin, or browse specifications in the sidebar.