Angiotensin Receptor Blocker

ARB

clinical

Updated 5/16/2026

Definition

A cardiovascular drug class that blocks angiotensin II receptors to reduce blood pressure, identified in pharmacy and PBM systems via GPI class codes and RxNorm ingredient mappings. ARB prescriptions are tracked in claims data for HEDIS measures such as Controlling High Blood Pressure and are subject to formulary tier management and step therapy protocols.

Standard Abbreviation

ARB

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  arb VARCHAR(100),  -- Angiotensin Receptor Blocker (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  arb as angiotensin_receptor_blocker
FROM claims;

Common uses in healthcare data

Risk stratification and population health analytics
CMS-HCC risk adjustment and RAF score calculation
Quality measure attribution and HEDIS reporting
Clinical data warehouse schema design
Value-based care contract performance tracking

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
arb

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  arb          VARCHAR(100),  -- Angiotensin Receptor Blocker (max 100 chars)
  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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