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test onset date

tst_onset_dt
general
Updated 3/30/2026

Definition

The symptom start date for a diagnostic examination. Used to track temporal information related to test onset date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for test management and reporting.

Standard Abbreviation

tst_onset_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  tst_onset_dt as test_onset_date
FROM claims;

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