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appointment external identifier

appt_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

appt_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  appt_ext_id as appointment_external_identifier
FROM claims;

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