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ct external identifier

ct_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

ct_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  ct_ext_id as ct_external_identifier
FROM claims;

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