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prescription master identifier

rx_mstr_id
pharmacy
Updated 3/30/2026

Definition

The enterprise master id for a medication order. Used as a unique reference to identify and track the prescription across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for prescription management and reporting.

Standard Abbreviation

rx_mstr_id

Category

pharmacy

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  rx_mstr_id VARCHAR(100),  -- prescription master identifier
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  rx_mstr_id as prescription_master_identifier
FROM claims;

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