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snomed external identifier

snomed_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

snomed_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  snomed_ext_id as snomed_external_identifier
FROM claims;

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