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ndc cost

ndc_cst
pharmacy·Updated Jun 23, 2026

Definition

ISO-11179 Definition

The actual acquisition or reimbursement cost associated with a drug identified by its National Drug Code, distinct from the billed charge. Used in pharmacy cost management, drug pricing benchmarks such as AWP or WAC comparisons, and net cost calculations after rebates and discounts.

Standard Abbreviation

ndc_cst

Category

pharmacy

Production DDL — FACT_PHARMACY_CLAIM

FACT_PHARMACY_CLAIM.sql
CREATE OR REPLACE TABLE FACT_PHARMACY_CLAIM (
    rx_clm_key      INTEGER        NOT NULL  -- surrogate key,
    rx_clm_id       VARCHAR(50)    NOT NULL  -- pharmacy claim ID,
    mbr_key         INTEGER        NOT NULL  -- FK to DIM_MEMBER,
    ndc_cd          VARCHAR(11)              -- national drug code,
    drug_nm         VARCHAR(255)             -- drug name,
    drug_gnrc_ind   CHAR(1)                  -- generic indicator,
    days_sply_cnt   SMALLINT                 -- days supply count,
    qty_dspnd       DECIMAL(10,3)            -- quantity dispensed,
    rx_fill_dt      DATE                     -- fill date,
    formulary_tier  SMALLINT                 -- formulary tier,
    rx_cost_amt     DECIMAL(10,2)            -- total drug cost,
    mbr_pay_amt     DECIMAL(10,2)            -- member pay amount,
    plan_pay_amt    DECIMAL(10,2)            -- plan pay amount,
    prior_auth_ind  CHAR(1)                  -- prior auth required,
    load_dt         TIMESTAMP_NTZ  NOT NULL  -- load timestamp
);

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

Why This Term Matters

Pharmacy data is among the most regulated and codified data in healthcare, governing controlled substances, PBM adjudication, and Medicare Part D reporting. A data engineer fluent in pharmacy terminology builds pipelines that correctly parse NDC codes, validate DEA numbers, and detect drug utilization anomalies before they reach compliance teams. Errors in pharmacy field definitions frequently trigger PBM contract disputes and CMS audit findings.

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