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loinc code

loinc_cd
general
Updated 3/30/2026

Definition

The standardized classification value for a logical observation identifiers names and codes. Used as a unique reference to identify and track the loinc across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for loinc management and reporting.

Standard Abbreviation

loinc_cd

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  loinc_cd VARCHAR(100),  -- loinc code
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  loinc_cd as loinc_code
FROM claims;

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