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subscriber external identifier

subscr_ext_id
member
Updated 3/30/2026

Definition

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

Standard Abbreviation

subscr_ext_id

Category

member

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  subscr_ext_id as subscriber_external_identifier
FROM claims;

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