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loinc medical record number

loinc_mrn
general
Updated 3/30/2026

Definition

The patient medical record number for a logical observation identifiers names and codes. Used as a unique reference to identify and track the loinc across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for loinc management and reporting.

Standard Abbreviation

loinc_mrn

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  loinc_mrn as loinc_medical_record_number
FROM claims;

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