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loinc onset date

loinc_onset_dt
general
Updated 3/30/2026

Definition

The symptom start date for a logical observation identifiers names and codes. Used to track temporal information related to loinc onset date. 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_onset_dt

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  loinc_onset_dt VARCHAR(100),  -- loinc onset date
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  loinc_onset_dt as loinc_onset_date
FROM claims;

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