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vaccination start date

vacc_start_dt
general
Updated 3/30/2026

Definition

The beginning date value for a protective immunization. Used to track temporal information related to vaccination start date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for vaccination management and reporting.

Standard Abbreviation

vacc_start_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  vacc_start_dt as vaccination_start_date
FROM claims;

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