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CMS QRDA IGs

The CMS Quality Reporting Document Architecture (QRDA) Implementation Guides (IGs) are technical documents that define the standards and specifications for reporting electronic clinical quality measures (eCQMs) using Health Level Seven International® (HL7®) QRDA. The guides provide detailed instructions for healthcare providers, health information technology (IT) vendors, and reporting organizations on how to format and submit eCQM data consistently and accurately.

The CMS QRDA Category I guide covers individual patient–level reports and is used by hospitals for quality reporting programs. The CMS QRDA Category III guide covers aggregate-level reports for groups of patients and is used by eligible clinicians for quality reporting programs.

Category
Implementation
Reporting
Who Uses Tool
Eligible Clinician
Hospital - Inpatient
Hospital - Outpatient
Health IT Developer/Vendor
Implementer
Last Updated: Mar 23, 2026