HEDIS Measures and Technical Resources – NCQA

Vol. 1: Narrative

Overview of the HEDIS measurement set and how the data are used.

Vol. 2: Technical Specifications for Health Plans

HEDIS nonsurvey measures for organizations; instructions on data collection for each measure; general guidelines for calculations and sampling.

HEDIS Measures Included in the Quality Rating System (QRS)

Quality Rating System Measure Technical Specifications are unique to the issuers offering plans on the Exchange and participating in the CMS Quality Rating System (QRS).

Technical Specifications for ACO Measurement

HEDIS quality measures for Accountable Care Organizations.

Vol. 3: Specifications for Survey Measures

HEDIS survey measures and standardized surveys from the Consumer Assessment of Healthcare Providers and Systems (CAHPS®) program.

  • Order this publication (Anticipated Release Date: September 15, 2023)
  • CAHPS 5.1H Survey 
  • Survey Vendor Certification Program
  • MY 2023 Validated Member-Level File Layout (Anticipated Release Date: January 2024)

Vol. 5: HEDIS Compliance Audit™: Standards, Policies and Procedures

The approved method for auditing the HEDIS production process, including an information systems capabilities assessment, an evaluation of compliance with HEDIS specifications and standards that Certified HEDIS Compliance Auditors must use when conducting a HEDIS audit.

  • Order this publication (anticipated release date: October 2023)
  • HEDIS Compliance Audit
  • Specification Updates (anticipated release date: December 2023)

Vol. 6: The Medicare Health Outcomes Survey Manual

Technical specifications for the Health Outcomes Survey (HOS).

  • Order this publication (anticipated release date: May 2024)
  • Health Outcomes Survey

HEDIS Technical Specifications for Long-Term Services and Support Measures

The technical specifications for organizations providing Medicaid long-term services and supports (LTSS).