What Is FHIR? A Healthcare IT Guide
A practical intro to FHIR for healthcare IT: what resources are, how R4 works, how it compares to HL7 v2, and how to validate resources before sending.
Read more →Articles tagged “interoperability”
All articles about interoperability: 13 practical guides and tutorials from our free, privacy-first online tools.
DICOM Modality Worklist vs HL7 ORM Messages
Compare DICOM Modality Worklist and HL7 ORM messages in radiology workflows, including scheduling, order entry, and scanner integration.
Read more →
HL7 ADT to FHIR: Patient and Encounter Mapping
Learn how to map HL7 ADT messages to FHIR Patient and Encounter resources with field-level guidance for PID, PV1, identifiers, locations, status, and testing.
Read more →
HL7 Conformance Profiles and Site Validation
Practical guide to HL7 conformance profiles and site validation: formalize local rules, combine baseline checks with profile review, and cut risk.
Read more →
HL7 ORU to FHIR: DiagnosticReport and Observation
Map HL7 ORU result messages to FHIR DiagnosticReport and Observation resources with guidance for OBR, OBX, value types, status handling, and validation.
Read more →
Validating HL7 v2 with Custom Z Segments
Learn how to validate HL7 v2 messages with custom Z segments, covering baseline HL7 checks, site-specific rules, governance, and safe validation workflows.
Read more →
Converting HL7 v2.x Messages to JSON: Developer Guide
Learn how to convert HL7 v2.x messages to JSON with simplified or HAPI-style output, covering field mapping, escape sequences, and integration patterns.
Read more →
HL7 v2 to FHIR Migration: A Practical Guide
How to map HL7 v2.x ADT, ORU, and ORM messages to FHIR R4 resources. Covers Patient, Encounter, Observation, and ServiceRequest mapping with real examples.
Read more →
Debugging HL7 ACK Failures: A Practical Guide
Diagnose and resolve HL7 ACK failures: ACK timeouts, MSA-2 mismatches, MSH mirroring errors, and AR responses, with worked Mirth and Rhapsody examples.
Read more →
HL7 ACK Messages Explained: AA, AE, and AR Codes
Complete guide to HL7 v2.x acknowledgment messages: AA, AE, and AR codes, MSH mirroring rules, the MSA segment, and how ACKs drive interface reliability.
Read more →
HL7 v2.x Segment Field Reference Guide
Complete HL7 v2.x segment field reference covering all standard segments, field positions, data types, and optionality rules for healthcare integration.
Read more →
Troubleshooting Common HL7 Interface Issues
Practical guide to troubleshooting HL7 interface problems including MLLP connection errors, character encoding, delimiter conflicts, and ACK failures.
Read more →