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vaccination external identifier

vacc_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a protective immunization. Used as a unique reference to identify and track the vaccination across healthcare systems. 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_ext_id

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  vacc_ext_id VARCHAR(100),  -- vaccination external identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  vacc_ext_id as vaccination_external_identifier
FROM claims;

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