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reaction external identifier

rxn_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

rxn_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  rxn_ext_id as reaction_external_identifier
FROM claims;

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