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immunization external identifier

immun_ext_id
general
Updated 3/30/2026

Definition

The external system reference id for a vaccination administration. Used as a unique reference to identify and track the immunization across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for immunization management and reporting.

Standard Abbreviation

immun_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  immun_ext_id as immunization_external_identifier
FROM claims;

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