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history number

hx_nbr
general
Updated 3/30/2026

Definition

The reference number value for a past medical events. Used as a unique reference to identify and track the history across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for history management and reporting.

Standard Abbreviation

hx_nbr

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  hx_nbr VARCHAR(100),  -- history number
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  hx_nbr as history_number
FROM claims;

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