Medicare now covers lung cancer screening and requires that facilities collect and submit data “to a CMS-approved registry for each LDCT [low-dose CT scan] lung cancer screening performed.” In other words, no registry participation, no payment [ 1 CMS. Decision memo for screening for lung cancer with low dose computed tomography (LDCT). Available at: http://www.cms.gov/medicare-coverage-database/details/nca-decision-memo.aspx?NCAId=274. Accessed March 23, 2015. Google Scholar ]. Why did CMS include the registry-reporting requirement for lung cancer screening? As Bibb Allen, MD, recently wrote, “Policy makers will want us to demonstrate that the outcomes achieved in the research can be duplicated in clinical practice” [ 2 Allen B. ACR Chair’s Memo. Lung cancer screening: Medicare got it right; now it’s our turn. J Am Coll Radiol. 2015; 12: 121-122 Abstract Full Text Full Text PDF PubMed Scopus (2) Google Scholar ]. Lung cancer screening is an early case, but this trend will likely expand to include emerging and existing services. The focus of this column is the ACR National Radiology Data Registry (NRDR™) and its new ACR Lung Cancer Screening Registry, which opened for registration in May of 2015. For radiology practices that do not currently participate in registries, this new lung cancer screening registry requirement provides an excellent incentive to participate.