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star measure

star_meas_cd
quality·Updated Jun 23, 2026

Definition

ISO-11179 Definition

An individual clinical quality, patient experience, or administrative performance indicator included in the CMS Star Ratings calculation for Medicare Advantage and Part D plans, weighted by CMS to reflect clinical importance and evidence strength in producing the overall summary star rating. Star measures are organized into domains including staying healthy screenings and tests, managing chronic conditions, member experience with the health plan, member complaints and appeals, and health plan administrative performance. Triple-weighted measures receive three times the standard weight in star calculations and disproportionately influence overall ratings — healthcare data teams identify triple-weighted measures as the highest priority for quality improvement investment.

CMS updates the star measure set annually through the annual Notice of Final Payment and Policy Changes, adding new measures and retiring measures that no longer differentiate plan performance. Healthcare data teams maintain current star_meas_cd reference tables with measure weights, domains, and applicable benchmarks to support accurate star rating projections.

Standard Abbreviation

star_meas_cd

Category

quality

Production DDL — FACT_QUALITY_MEASURE

FACT_QUALITY_MEASURE.sql
CREATE OR REPLACE TABLE FACT_QUALITY_MEASURE (
    qlty_key        INTEGER        NOT NULL  -- surrogate key,
    mbr_key         INTEGER        NOT NULL  -- FK to DIM_MEMBER,
    plan_key        INTEGER        NOT NULL  -- FK to DIM_PLAN,
    meas_yr         SMALLINT                 -- measurement year,
    hedis_meas_cd   VARCHAR(20)              -- HEDIS measure code,
    denom_ind       CHAR(1)                  -- denominator eligible,
    numer_ind       CHAR(1)                  -- numerator met,
    excl_ind        CHAR(1)                  -- exclusion indicator,
    gap_open_ind    CHAR(1)                  -- care gap open,
    star_rtg_nbr    DECIMAL(3,1)             -- star rating,
    qlty_scr        DECIMAL(5,2)             -- quality score,
    perf_thrsh_pct  DECIMAL(5,2)             -- performance threshold,
    raf_scr         DECIMAL(10,3)            -- risk adjustment factor,
    outreach_cnt    SMALLINT                 -- outreach attempts,
    load_dt         TIMESTAMP_NTZ  NOT NULL  -- load timestamp
);

Standard Snowflake DDL for the canonical quality table. Convert to BigQuery or Databricks →

Why This Term Matters

Quality measure data determines how payers and providers are rated and reimbursed under CMS Stars, HEDIS, and value-based care contracts. Data engineers who understand quality terminology build measure calculation pipelines that correctly attribute patients, apply denominator exclusions, and flag documentation gaps before submission deadlines. Incorrect quality data directly affects star ratings, pay-for-performance bonuses, and Medicare Advantage plan bids.

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