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hematology external identifier

hem_ext_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

hem_ext_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  hem_ext_id as hematology_external_identifier
FROM claims;

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