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prescription onset date

rx_onset_dt
pharmacy
Updated 3/30/2026

Definition

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

Standard Abbreviation

rx_onset_dt

Category

pharmacy

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  rx_onset_dt as prescription_onset_date
FROM claims;

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