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sign external identifier

sgn_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

sgn_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  sgn_ext_id as sign_external_identifier
FROM claims;

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