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claim appeal

clm_appeal
finance·Updated Jun 13, 2026

Definition

ISO-11179 Definition

The formal process by which a healthcare provider challenges a payer determination to deny, reduce, or inappropriately process a claim, seeking reconsideration and payment of the disputed amount. Claim appeals follow structured processes defined by each payer with specific timelines, documentation requirements, and escalation levels. First-level appeals are typically reviewed internally by the payer clinical staff and must be filed within 90 to 180 days of the denial determination date depending on payer requirements.

Unsuccessful first-level appeals may be escalated to second-level internal review, external independent review organizations, or administrative law judges for Medicare appeals. Healthcare data teams build appeal tracking systems that monitor appeal submission dates against deadlines, track appeal outcomes by denial reason and payer, calculate appeal overturn rates to measure the financial return on appeal investment, and identify denial categories with high overturn rates that should be appealed systematically rather than written off.

Standard Abbreviation

clm_appeal

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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