workflow external identifier
wf_ext_idDefinition
ISO-11179 Definition
A reference identifier assigned by an external system, trading partner, or source application to a healthcare workflow record. Used to maintain traceability and enable reconciliation between internal processing platforms and external systems such as health information exchanges, payers, or vendor platforms.
Standard Abbreviation
wf_ext_id
Category
Why This Term Matters
Healthcare data terminology is foundational for any data engineer working in this industry. Precise understanding of standard terms enables accurate schema design, reduces downstream data quality issues, and ensures pipelines meet the regulatory and interoperability requirements imposed by HIPAA, HL7 FHIR, and CMS reporting frameworks. Without this foundation, even technically well-built pipelines produce data that fails validation when it reaches payers or regulators.
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