availability start date

avail_start_dt

general

Updated 3/30/2026

Definition

The beginning date value for a open time status. Used to track temporal information related to availability start date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for availability management and reporting.

Standard Abbreviation

avail_start_dt

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  avail_start_dt VARCHAR(100),  -- availability start date
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  avail_start_dt as availability_start_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
availability_start_date

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  availability_start_date VARCHAR(255),  -- availability start date
  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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