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invoice external identifier

inv_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a payment request document. Used as a unique reference to identify and track the invoice across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for invoice management and reporting.

Standard Abbreviation

inv_ext_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  inv_ext_id VARCHAR(100),  -- invoice external identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  inv_ext_id as invoice_external_identifier
FROM claims;

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