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order external identifier

ord_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a clinical service request. Used as a unique reference to identify and track the order across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for order management and reporting.

Standard Abbreviation

ord_ext_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  ord_ext_id VARCHAR(100),  -- order external identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  ord_ext_id as order_external_identifier
FROM claims;

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