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subscriber master identifier

subscr_mstr_id
member
Updated 3/30/2026

Definition

The enterprise master 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_mstr_id

Category

member

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  subscr_mstr_id as subscriber_master_identifier
FROM claims;

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