Medicare confirms reimbursement, unlocking nationwide access to non-contrast ventilation–perfusion imaging from routine chest CT

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.

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.

Read the full press release.