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study effective date

stdy_eff_dt
general
Updated 3/30/2026

Definition

The active beginning date for a imaging examination. Used to track temporal information related to study effective date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for study management and reporting.

Standard Abbreviation

stdy_eff_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  stdy_eff_dt as study_effective_date
FROM claims;

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