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appeal deadline

appeal_ddln_dt
finance·Updated Jun 13, 2026

Definition

ISO-11179 Definition

The contractually or regulatorily mandated date by which a healthcare provider must submit a formal appeal challenging a payer claim denial or underpayment in order to preserve the right to contest the determination. Appeal deadlines vary significantly by payer type and appeal level — Medicare requires first-level redetermination requests within 120 days of the initial determination, commercial payers typically allow 90 to 180 days from the denial date, and Medicaid timelines vary by state. Missing an appeal deadline permanently forecloses the right to contest the denial regardless of the clinical or administrative merits of the appeal.

Healthcare data teams build appeal deadline tracking systems that calculate appeal_ddln_dt from denial dates by payer and appeal type, generate automated alerts as deadlines approach, and produce daily appeal work queues prioritized by deadline urgency to ensure no recovery opportunity is lost due to missed filing windows.

Standard Abbreviation

appeal_ddln_dt

Category

finance

Production DDL — FACT_CLAIM_TRANSACTION

FACT_CLAIM_TRANSACTION.sql
CREATE OR REPLACE TABLE FACT_CLAIM_TRANSACTION (
    clm_txn_key     INTEGER        NOT NULL  -- surrogate key,
    clm_id          VARCHAR(50)    NOT NULL  -- claim identifier,
    mbr_key         INTEGER        NOT NULL  -- FK to DIM_MEMBER,
    prvdr_key       INTEGER        NOT NULL  -- FK to DIM_PROVIDER,
    clm_typ_cd      VARCHAR(10)              -- claim type code,
    tot_chrg_amt    DECIMAL(18,2)            -- total charged amount,
    tot_alwd_amt    DECIMAL(18,2)            -- total allowed amount,
    tot_pd_amt      DECIMAL(18,2)            -- total paid amount,
    cntrct_adj_amt  DECIMAL(18,2)            -- contractual adjustment,
    denial_ind      CHAR(1)                  -- denial indicator,
    denial_rsn_cd   VARCHAR(10)              -- denial reason code,
    prior_auth_nbr  VARCHAR(30)              -- authorization number,
    clm_lag_days    SMALLINT                 -- claim lag days,
    days_ar         SMALLINT                 -- days in AR,
    load_dt         TIMESTAMP_NTZ  NOT NULL  -- load timestamp
);

Standard Snowflake DDL for the canonical finance 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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