admission start time

admn_start_tm

general

Updated 3/30/2026

Definition

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

Standard Abbreviation

admn_start_tm

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  admn_start_tm VARCHAR(100),  -- admission start time (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  admn_start_tm as admission_start_time
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
admission_start_time

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  admission_start_time VARCHAR(100),  -- admission start time (max 100 chars)
  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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