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questionnaire onset date

qstn_onset_dt
general
Updated 3/30/2026

Definition

The symptom start date for a structured question set. Used to track temporal information related to questionnaire onset date. 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_onset_dt

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  qstn_onset_dt VARCHAR(100),  -- questionnaire onset date
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  qstn_onset_dt as questionnaire_onset_date
FROM claims;

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