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reaction code

rxn_cd
general
Updated 3/30/2026

Definition

The standardized classification value 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_cd

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  rxn_cd VARCHAR(100),  -- reaction code
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  rxn_cd as reaction_code
FROM claims;

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