HL7 ACK Codes Explained: AA, AE, and AR (MSA-1)
What HL7 ACK codes AA, AE, and AR mean in MSA-1, how they differ from CA/CE/CR, and how a receiver decides which acknowledgment to send. With examples.
Read more →Articles tagged “hl7-v2”
All articles about hl7-v2: 5 practical guides and tutorials from our free, privacy-first online tools.
HL7 v2 JSON for FHIR Ingestion Pipelines
Learn when HL7-v2-to-JSON should sit in front of FHIR ingestion pipelines, what the JSON must preserve, and how to avoid data loss during modernization.
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Mapping HL7 PID and PV1 Segments to JSON for ADT Pipelines
Learn how to map HL7 PID and PV1 segments to JSON without losing identifiers, visit context, repetitions, or null semantics in ADT pipelines.
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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.
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How to Build HL7 Test Messages Without PHI Risk
Learn how to generate valid HL7 v2.x test messages for ADT, ORU, ORM and other trigger events — safely, without PHI, and without hand-crafting pipes.
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