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write off master identifier

wo_mstr_id
general
Updated 3/30/2026

Definition

The enterprise master id 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_mstr_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  wo_mstr_id VARCHAR(100),  -- write off master identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  wo_mstr_id as write_off_master_identifier
FROM claims;

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