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diagnosis onset date

diag_onset_dt
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

diag_onset_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  diag_onset_dt as diagnosis_onset_date
FROM claims;

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