ndc primary indicator

ndc_prim_ind

pharmacy

Updated 5/15/2026

Definition

The primary designation flag for a national drug code. Used to track the current state or condition of the ndc. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for ndc management and reporting.

Standard Abbreviation

ndc_prim_ind

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  ndc_prim_ind VARCHAR(11),  -- ndc primary indicator (max 11 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  ndc_prim_ind as ndc_primary_indicator
FROM claims;

Common uses in healthcare data

PBM claims adjudication and drug utilization review
Controlled substance monitoring and DEA compliance
Pharmacy data warehouse and ETL pipeline design
Prior authorization and step therapy workflows
Medicare Part D reporting and CMS submissions

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
ndc_prim_ind

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  ndc_prim_ind VARCHAR(11),  -- ndc primary indicator (max 11 chars)
  created_dt  TIMESTAMP     NOT NULL DEFAULT NOW()
);

Column names follow the ISO-11179 naming convention: lowercase, underscore-separated, using the standard abbreviation as a prefix where applicable.

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