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test master identifier

tst_mstr_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

tst_mstr_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  tst_mstr_id as test_master_identifier
FROM claims;

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