effective arrived date
eff_arrv_dtDefinition
ISO-11179 Definition
The calendar date on which a patient arrived at a healthcare facility for a scheduled or unscheduled encounter. Used in claims processing, utilization management, and length-of-stay calculations to establish the start boundary of an inpatient or outpatient episode of care.
Standard Abbreviation
eff_arrv_dt
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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