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substitution date

sub_dt
general
Updated 3/30/2026

Definition

The calendar date value for a alternative medication. Used to track temporal information related to substitution date. 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_dt

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  sub_dt as substitution_date
FROM claims;

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