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questionnaire external identifier

qstn_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

qstn_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  qstn_ext_id as questionnaire_external_identifier
FROM claims;

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