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effective master identifier

eff_mstr_id
general
Updated 3/30/2026

Definition

The enterprise master id for a coverage start validity. Used as a unique reference to identify and track the effective across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for effective management and reporting.

Standard Abbreviation

eff_mstr_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  eff_mstr_id as effective_master_identifier
FROM claims;

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