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study external identifier

stdy_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

stdy_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  stdy_ext_id as study_external_identifier
FROM claims;

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