HEDIS Measure Library & Historical Data

Insights into health plans’ collective performance on HEDIS and CAHPS measures over time.

The HEDIS Measure Library & Historical Data outlines the latest HEDIS® measures and definitions and provides an annual summary of national performance for key HEDIS and CAHPS® measures. This data offers insights into critical health care areas such as cardiovascular disease, diabetes, cancer screening, and patient experience. It summarizes performance from the previous calendar year and documents nearly two decades of results for older measures.

While the data highlights national performance, you can explore additional benchmarks, plan-level results, and insights into year-over-year trending impacts by purchasing access to NCQA’s Quality Compass®.

Key Notes:

  • The HEDIS Measure Library & Historical Data is updated annually with the latest performance data.
  • The data presented does not account for changes to the measure specifications that may impact year-over-year comparisons. For trending implications, inquire now about access to NCQA’s Quality Compass.

HEDIS® is a registered trademark of the National Committee for Quality Assurance (NCQA).
CAHPS® is a registered trademark of the Agency for Healthcare Research and Quality (AHRQ).