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readmission external identifier

readm_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a hospital return occurrence. Used as a unique reference to identify and track the readmission across healthcare systems. 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_ext_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  readm_ext_id VARCHAR(100),  -- readmission external identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  readm_ext_id as readmission_external_identifier
FROM claims;

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