The Public Comment is now open through March 25, 2026 on the Draft 2027 CMS QRDA I Implementation Guide, Schematron, and Sample File for Hospital Quality Reporting
A QDM attribute provides specific detail about a QDM datatype.
Note: participationPeriod references the QDM datatype "Participation", representing a patient's coverage by a program such as an insurance or medical plan or a payment agreement. The participationPeriod is not to be confused with the QDM participant attribute used with the "Encounter, Performed" QDM datatype.