Comment: Commenters requested that CPT codes 75557, 75559, 75561, 75563 be reassigned to the Nuclear Medicine and Related Services APC family because cardiac MRI procedures are not clinically similar or similar in resource use to the other procedures assigned to the current APCs

70471 (70XX1): Computed tomographic angiography (CTA), head and neck, with contrast material(s), including noncontrast images, when performed, and image postprocessing 70472 (70XX2): Computed tomographic (CT) cerebral perfusion analysis with contrast material(s), including image postprocessing performed with concurrent CT or CT angiography of the same anatomy (List separately in addition to code for primary procedure) 70473 (70XX3): Computed tomographic (CT) cerebral perfusion analysis with contrast material(s), including image postprocessing performed without concurrent CT or CT angiography of the same anatomy 0042T: Cerebral perfusion analysis using computed tomography with contrast administration, including post-processing of parametric maps with determination of cerebral blood flow, cerebral blood volume, and mean transit time For CY 2026, we proposed to assign these codes to the following APCs and status indicators (SIs): Assign CPT code 70471 to APC 5572 (Level 2 Imaging with Contrast), SI of `S' (Procedure or Service, Not Discounted When Multiple

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