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diagnosis external identifier

diag_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

diag_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  diag_ext_id as diagnosis_external_identifier
FROM claims;

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