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patient onset date

pt_onset_dt
member
Updated 3/30/2026

Definition

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

Standard Abbreviation

pt_onset_dt

Category

member

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  pt_onset_dt as patient_onset_date
FROM claims;

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