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test medical record number

tst_mrn
general
Updated 3/30/2026

Definition

The patient medical record number 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_mrn

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  tst_mrn VARCHAR(100),  -- test medical record number
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  tst_mrn as test_medical_record_number
FROM claims;

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