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substitution time

sub_tm
general
Updated 3/30/2026

Definition

The time of day value for a alternative medication. Used to track temporal information related to substitution time. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for substitution management and reporting.

Standard Abbreviation

sub_tm

Category

general

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  sub_tm VARCHAR(100),  -- substitution time
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  sub_tm as substitution_time
FROM claims;

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