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system external identifier

sys_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a healthcare delivery system. Used as a unique reference to identify and track the system across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for system management and reporting.

Standard Abbreviation

sys_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  sys_ext_id as system_external_identifier
FROM claims;

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