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reaction effective date

rxn_eff_dt
general
Updated 3/30/2026

Definition

The active beginning date for a physiological response. Used to track temporal information related to reaction effective 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_eff_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  rxn_eff_dt as reaction_effective_date
FROM claims;

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