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chart external identifier

chrt_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

chrt_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  chrt_ext_id as chart_external_identifier
FROM claims;

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