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immunization status

immun_sts
population·Updated Jun 23, 2026

Definition

ISO-11179 Definition

Coded value representing the current state of a vaccination record, such as completed, not done, entered-in-error, or contraindicated, as defined by HL7 FHIR Immunization status codes or EHR-specific enumerations. Data engineers use this field to filter valid vaccination events from administrative voids and to drive HEDIS numerator inclusion or exclusion logic in quality reporting pipelines.

Standard Abbreviation

immun_sts

Category

population

Production DDL — FACT_POPULATION_RISK

FACT_POPULATION_RISK.sql
CREATE OR REPLACE TABLE FACT_POPULATION_RISK (
    pop_risk_key     INTEGER       NOT NULL  -- surrogate key,
    mbr_id           VARCHAR(20)   NOT NULL  -- member identifier,
    msrmt_prd_dt     DATE          NOT NULL  -- measurement period date,
    risk_score       DECIMAL(8,4)            -- risk score,
    risk_tier_cd     VARCHAR(10)             -- risk tier code,
    raf_score        DECIMAL(8,4)            -- RAF score,
    hcc_cnt          INTEGER                 -- HCC condition count,
    chrnc_cond_cnt   INTEGER                 -- chronic condition count,
    ed_visit_cnt     INTEGER                 -- ED visit count,
    admit_cnt        INTEGER                 -- admission count,
    gap_in_care_cnt  INTEGER                 -- gaps in care count,
    care_mgmt_flg    BOOLEAN                 -- care management flag,
    outreach_sts_cd  VARCHAR(20)             -- outreach status code,
    model_vrsn       VARCHAR(20)             -- risk model version,
    rec_creat_dt     TIMESTAMP     NOT NULL  -- record created date
);

Standard Snowflake DDL for the canonical population 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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