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referral onset date

ref_onset_dt
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

ref_onset_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  ref_onset_dt as referral_onset_date
FROM claims;

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