Angiotensin Converting Enzyme Inhibitor

ACEI

clinical

Updated 5/16/2026

Definition

A class of medications blocking the angiotensin-converting enzyme to lower blood pressure and protect kidney function. ACE inhibitors include lisinopril, enalapril, and ramipril. Tracked in pharmacy claims data for drug utilization review, HEDIS measure reporting, and chronic disease management programs.

Standard Abbreviation

ACEI

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  acei VARCHAR(100),  -- Angiotensin Converting Enzyme Inhibitor (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  acei as angiotensin_converting_enzyme_inhibitor
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
acei

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  acei         VARCHAR(100),  -- Angiotensin Converting Enzyme Inhibitor (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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