{"id":48383,"date":"2025-09-12T15:09:29","date_gmt":"2025-09-12T23:09:29","guid":{"rendered":"https:\/\/4dmedical.com\/us\/?p=48383"},"modified":"2025-09-12T15:09:31","modified_gmt":"2025-09-12T23:09:31","slug":"ctvq-redefines-lung-imaging-fda-clearance-makes-non-contrast-v-q-scans-a-reality","status":"publish","type":"post","link":"https:\/\/4dmedical.com\/us\/blog\/2025\/09\/12\/ctvq-redefines-lung-imaging-fda-clearance-makes-non-contrast-v-q-scans-a-reality\/","title":{"rendered":"CT:VQ\u2122 Redefines Lung Imaging: FDA Clearance Makes Non-Contrast V\/Q Scans a Reality"},"content":{"rendered":"\n

In a landmark move for pulmonary diagnostics, 4DMedical\u2019s CT:VQ\u2122 earned FDA 510(k) clearance in September 2025, marking it as the first and only non-contrast ventilation\u2013perfusion (V\/Q) imaging solution. The technology is available via routine chest CT scans. With CMS confirming reimbursement under Category III CPT codes (on top of the existing chest CT payment), CT:VQ\u2122 is poised to redefine accessibility and efficiency in functional lung imaging.<\/p>\n\n\n\n

<\/div>\n\n\n\n

What\u2019s So Game-Changing About CT:VQ\u2122?<\/p>\n\n\n\n

Workflow Simplification
<\/strong>Patients breeze through a single CT appointment, and radiologists receive quantitative ventilation (V) and perfusion (Q) maps directly in their PACS environment.\u00a0<\/p>\n\n\n\n

Seamless Integration
<\/strong>Delivered as a cloud-based Software-as-a-Service (SaaS), CT:VQ\u2122 seamlessly integrates into existing radiology workflows (DICOM\/PACS) and complements the 14,500+ CT scanners already installed across the U.S.\u00a0<\/p>\n\n\n\n

Leveling the Playing Field
<\/strong>Hospitals and imaging centers, especially those without nuclear medicine capabilities, can now perform V\/Q imaging, bringing advanced diagnostics to community and rural settings nationwide.<\/p>\n\n\n\n

<\/div>\n\n\n\n

Why Clinicians Are Eyeing This as a Breakthrough<\/p>\n\n\n\n

As CEO Andreas Fouras, PhD, stated: \u201cCT:VQ\u2122 gives clinicians all the contrast\u2014and none of the injections\u2026 the word \u2018breakthrough\u2019 is overused, but we believe the unprecedented capabilities of CT:VQ\u2122 qualify for that description.\u201d<\/em> CT:VQ\u2122 is not just a diagnostic tool\u2014it\u2019s poised to displace 100% of nuclear V\/Q scans over time, while also opening new applications in disease monitoring and population health screening.\u00a0Clinical partners already include top institutions like Stanford University and Brooke Army Medical Center.<\/p>\n\n\n\n

Key clinical applications include pulmonary embolism workups, Chronic Thromboembolic Pulmonary Hypertension (CTEPH) assessments, COPD phenotyping, Bronchoscopic Lung Volume Reduction (BLVR) planning, and tracking disease progression and response to treatment. CT:VQ\u2122 underwent rigorous validation, from head-to-head testing against SPECT to expert reader evaluations and real-world clinical cases. It demonstrated equivalent diagnostic accuracy with clearer and fewer artifacts.\u00a0<\/p>\n\n\n\n

The benefits across healthcare are numerous, as patients can receive faster and safer lung imaging while radiologists benefit from high-resolution functional maps. Because CT:VQ\u2122 can be layered on top of current hospital infrastructure, busy radiologists benefit from streamlined workflows, and clinics and hospitals can gain new capabilities without investing in nuclear medicine equipment. Healthcare systems can achieve cost-efficient uptake with Medicare reimbursement, requiring minimal infrastructure.<\/p>\n\n\n\n

CT:VQ\u2122 is ready for prime time\u2014embracing a future of accessible, high-resolution, non-invasive lung function imaging.<\/p>\n","protected":false},"excerpt":{"rendered":"

In a landmark move for pulmonary diagnostics, 4DMedical\u2019s CT:VQ\u2122 earned FDA 510(k) clearance in September 2025, marking it as the first and only non-contrast ventilation\u2013perfusion (V\/Q) imaging solution. The technology is available via routine chest CT scans. With CMS confirming reimbursement under Category III CPT codes (on top of the existing chest CT payment), CT:VQ\u2122 is poised to redefine accessibility and efficiency in functional lung imaging.<\/p>\n","protected":false},"author":5,"featured_media":48281,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[58],"tags":[73,76,66,71,72,69],"class_list":["post-48383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cardiology","tag-copd","tag-healthcare-industry-trends","tag-pulmonology","tag-radiology","tag-sdoh"],"acf":[],"yoast_head":"\nCT:VQ\u2122 Redefines Lung Imaging: FDA Clearance Makes Non-Contrast V\/Q Scans a Reality - 4DMedical US<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/4dmedical.com\/us\/blog\/2025\/09\/12\/ctvq-redefines-lung-imaging-fda-clearance-makes-non-contrast-v-q-scans-a-reality\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CT:VQ\u2122 Redefines Lung Imaging: FDA Clearance Makes Non-Contrast V\/Q Scans a Reality - 4DMedical US\" \/>\n<meta property=\"og:description\" content=\"In a landmark move for pulmonary diagnostics, 4DMedical\u2019s CT:VQ\u2122 earned FDA 510(k) clearance in September 2025, marking it as the first and only non-contrast ventilation\u2013perfusion (V\/Q) imaging solution. 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