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history datetime

hx_dttm
general
Updated 3/30/2026

Definition

The combined date-time value for a past medical events. Used to track temporal information related to history datetime. 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_dttm

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  hx_dttm as history_datetime
FROM claims;

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