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write off medical record number

wo_mrn
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

wo_mrn

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  wo_mrn VARCHAR(100),  -- write off medical record number
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  wo_mrn as write_off_medical_record_number
FROM claims;

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