HL7 v2 ADT^A40 Merge Patient Record Segment Parser
Parses HL7 v2 ADT^A40 message segments for patient identifier merge operations (MRG, PID, MSH).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: HL7 v2.x Messaging Standard / Patient Record Merging
Formula: Verify ADT^A40 event trigger, old patient ID (MRG), and surviving patient ID (PID)
Checks: Valid ADT message segment structure
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Deterministic local-first client-side execution. Provided as-is without warranty.