The Centers for Medicare & Medicaid Services (CMS) and its contractor, Mathematica, are seeking public comment on new measures under development to measure the quality of Medicaid home and community-based services (HCBS) for children, youth, and young adults (CYYA). CMS seeks feedback on the importance, feasibility, usability, and face validity of measures to inform the measure specifications, continued development and testing, and potential implementation. 

Information on the measures under development can be found on the Current Public Comment Opportunities webpage.

Please submit comments to LTSSReporting@mathematica-mpr.com. When submitting a comment, please include the following information: 

• If you are providing comments on behalf of an organization, please include your organization’s name and your contact information, including full name, credentials (if applicable), and title.
• If you are commenting as an individual, please submit identifying or contact information, including full name and credentials (if applicable). 
• Please indicate whether you are commenting on the Measure Concept Ranking, Questions of Interest, and/or whether it is a separate comment on something specific about a measure concept. 
• Follow the instructions provided below for the Measure Concept Ranking and Questions of Interest, if responding to those topics. If submitting a separate comment, please reference the measure concept number. 
• Do not include personal health information in your comments. CMS may share your comments publicly. 
• Please include “CYYA Measure Development” in your subject line. 

Note: These measures are in development. New measures are not eligible for CMS quality reporting until proposed and adopted through notice-and-comment rulemaking for each applicable program. 

The Call for Public Comment period opened on May 8, 2026, and closes on June 8, 2026.