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stay master identifier

stay_mstr_id
general
Updated 3/30/2026

Definition

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

Standard Abbreviation

stay_mstr_id

Category

general

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  stay_mstr_id as stay_master_identifier
FROM claims;

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