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readmission onset date

readm_onset_dt
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

readm_onset_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  readm_onset_dt as readmission_onset_date
FROM claims;

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