condition onset date

cond_onset_dt

general

Updated 3/30/2026

Definition

The symptom start date for a medical state or disease. Used to track temporal information related to condition onset date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for condition management and reporting.

Standard Abbreviation

cond_onset_dt

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  cond_onset_dt DATE,  -- condition onset date (date only, no time)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  cond_onset_dt as condition_onset_date
FROM claims;

Common uses in healthcare data

Healthcare data warehouse schema design and modeling
Interoperability and cross-system data exchange
ETL pipeline development and orchestration
Master data management (MDM) programs
Analytics and business intelligence reporting

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
condition_onset_date

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  condition_onset_date DATE,  -- condition onset date (date only, no time)
  created_dt  TIMESTAMP     NOT NULL DEFAULT NOW()
);

Column names follow the ISO-11179 naming convention: lowercase, underscore-separated, using the standard abbreviation as a prefix where applicable.

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