Back to search

visit external identifier

vst_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

vst_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  vst_ext_id as visit_external_identifier
FROM claims;

Looking for more healthcare terms?

Browse our complete library of 65,000+ standardized healthcare data terms

Browse All Terms