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advance directive external identifier

advdir_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

advdir_ext_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  advdir_ext_id VARCHAR(100),  -- advance directive external identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  advdir_ext_id as advance_directive_external_identifier
FROM claims;

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