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prescription birth date

rx_birth_dt
pharmacy
Updated 5/16/2026

Definition

Date of birth field associated with the patient on a medication order, stored in pharmacy management and PBM systems for identity verification, age-based drug utilization edits, and pediatric dosing validation. Data engineers use this field for member matching, duplicate detection, and HIPAA-compliant prescription record linkage across data sources.

Standard Abbreviation

rx_birth_dt

Category

pharmacy

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  rx_birth_dt DATE,  -- prescription birth date (date only, no time)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  rx_birth_dt as prescription_birth_date
FROM claims;

Common uses in healthcare data

  • PBM claims adjudication and drug utilization review
  • Controlled substance monitoring and DEA compliance
  • Pharmacy data warehouse and ETL pipeline design
  • Prior authorization and step therapy workflows
  • Medicare Part D reporting and CMS submissions

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
rx_birth_dt

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  rx_birth_dt  DATE,  -- prescription birth date (date only, no time)
  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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