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4DMedical's CT:VQ™ receives FDA 510(k) clearance; First-and-only CT-based VQ technology
4DMedical, a leader in advanced respiratory imaging, today announces U.S. Food and Drug Administration (FDA) 510(k) clearance for CT:VQ™, the world's first and only non-contrast, ventilation–perfusion (VQ) imaging solution. In parallel, the U.S. Centers for Medicare & Medicaid Services (CMS) has confirmed reimbursement for CT:VQ under Category III CPT codes; this payment is in addition to existing reimbursement for the underlying chest CT.
About this update from 4dmedical Ltd.
[{"type":"text","content":"Medicare confirms reimbursement, unlocking nationwide access to non-contrast ventilation–perfusion imaging from routine chest CT","length":133,"tagName":"p","attribs":{}},{"type":"text","content":"LOS ANGELES, Sept. 4, 2025 /PRNewswire/ -- 4DMedical, a leader in advanced respiratory imaging, today announces U.S. Food and Drug Administration (FDA) 510(k) clearance for CT:VQ™, the world's first and only non-contrast, ventilation–perfusion (VQ) imaging solution. In parallel, the U.S. Centers for Medicare & Medicaid Services (CMS) has confirmed reimbursement for CT:VQ under Category III CPT codes; this payment is in addition to existing reimbursement for the underlying chest CT.","length":499,"tagName":"p"},{"type":"image","alt":"4DMedical CT:VQ™ turns a routine chest CT into ventilation–perfusion imaging—no contrast required.","displaySize":"","headline":null,"caption":"4DMedical CT:VQ™ turns a routine chest CT into ventilation–perfusion imaging—no contrast required.","className":"","disableSlideshowImg":false,"size":{"original":{"width":400,"height":343,"url":"https://media.zenfs.com/en/prnewswire.com/ca5ff6f5bdb02ead8374f7fcba401f67"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/ZDVDrCuZTC6I3GUulGUeeA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTYwNTtjZj13ZWJw/https://media.zenfs.com/en/prnewswire.com/ca5ff6f5bdb02ead8374f7fcba401f67","width":400,"height":343}},"href":"https://mma.prnewswire.com/media/2764429/4DMedical_CT_VQ_Non_Contrast_Lung_Ventilation_Perfusion.html","hrefExternal":true,"rel":"nofollow"},{"type":"text","content":"CT:VQ converts standard, non–contrast chest CTs into quantitative, lobar ventilation (V) and perfusion (Q) maps. Delivered as software–as–a–service, it integrates directly with routine radiology workflows (DICOM-based, PACS reporting) and leverages the U.S. installed base of approximately 14,500 CT scanners, bringing functional lung imaging to sites without nuclear medicine capacity.","length":386,"tagName":"p"},{"type":"text","content":""CT:VQ gives clinicians all the contrast—and none of the injections," said Andreas Fouras, PhD, founder and CEO of 4DMedical. "With FDA clearance and Medicare payment in place, any hospital with a CT scanner can turn a routine chest CT into a high–resolution ventilation–perfusion study in minutes, without new h...