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reaction start date

rxn_start_dt
general
Updated 3/30/2026

Definition

The beginning date value for a physiological response. Used to track temporal information related to reaction start date. 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_start_dt

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  rxn_start_dt VARCHAR(100),  -- reaction start date
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  rxn_start_dt as reaction_start_date
FROM claims;

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