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value external identifier

val_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

val_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  val_ext_id as value_external_identifier
FROM claims;

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