approval onset date
appr_onset_dtDefinition
ISO-11179 Definition
The date on which the condition, symptom, or clinical need that prompted a prior authorization or service approval request first began. Used in utilization management systems to assess medical necessity, apply correct coverage period rules, and evaluate whether the requested service aligns with the documented clinical timeline.
Standard Abbreviation
appr_onset_dt
Category
Production DDL — FACT_OPERATIONAL_EVENT
CREATE OR REPLACE TABLE FACT_OPERATIONAL_EVENT (
oprtnl_evnt_key INTEGER NOT NULL -- surrogate key,
evnt_id VARCHAR(50) NOT NULL -- source event identifier,
evnt_type_cd VARCHAR(50) NOT NULL -- event type code,
evnt_dt DATE NOT NULL -- event date,
evnt_ts TIMESTAMP -- event timestamp,
fac_id VARCHAR(20) -- facility identifier,
dept_cd VARCHAR(20) -- department code,
unit_cd VARCHAR(20) -- unit code,
mbr_id VARCHAR(20) -- member identifier,
prvdr_npi VARCHAR(10) -- provider NPI,
evnt_sts_cd VARCHAR(20) -- event status code,
evnt_sts_dt DATE -- status date,
capacity_cnt INTEGER -- capacity count,
utilztn_pct DECIMAL(5,2) -- utilization percentage,
rec_creat_dt TIMESTAMP NOT NULL -- record created date,
rec_updt_dt TIMESTAMP NOT NULL -- record updated date
);
Standard Snowflake DDL for the canonical operations table. Convert to BigQuery or Databricks →
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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