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cardiology external identifier

card_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

card_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  card_ext_id as cardiology_external_identifier
FROM claims;

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