AI-Rad Companion Chest CT

Siemens Healthineers
The AI-Rad Companion Chest CT solution offers a multiorgan approach with pulmonary, cardiovascular and musculoskeletal functionalities. Major functionalities: lung lobe segmentation, lung lesion detection (solid and sub-solid) and measurements (incl. longitudinal comparison), pneumonia analysis, heart segmentation and calcium detection, aorta segmentation and diameter measurements, as well as vertebra body segmentation and measurement.
Information source: Vendor
Last updated: Nov. 19, 2023

General Information

Product name AI-Rad Companion Chest CT
Company Siemens Healthineers
Subspeciality Chest
Modality CT
Disease targeted Lung cancer, pneumonia, osteoporosis, coronary artery disease
Key-features Segmentation and volume quantification of lungs, lung lobes, lung lesions, heart, thoracic aorta, coronary artery calcification, thoracic vertebrae; density quantification of lungs and vertebrae.
Suggested use During: perception aid (prompting all abnormalities/results/heatmaps)

Technical Specifications

Data characteristics
Population All chest CT
Input Standardized CT Data, Slice thickness: ≤ 3mm, Axial Images and no gantry tilt, matrix size: 512 x 512, reconstruction kernel: Soft to medium, minimum of 3 slices
Input format DICOM
Output Image annotations, 3D Visualizations, Report with table of findings
Output format DICOM
Integration Integration in standard reading environment (PACS), Integration via AI marketplace or distribution platform, Stand-alone webbased
Deployment Hybrid solution
Trigger for analysis Automatically, right after the image acquisition, On demand, triggered by a user through e.g. a button click, image upload, etc.
Processing time 1 - 10 minutes


Certified, Class IIa , MDR
FDA 510(k) cleared , Class II
Intended Use Statements
Intended use (according to CE) AI-Rad Companion (Pulmonary) is intended to assist the physician in evaluating the lung. AI-Rad Companion (Cardiovascular) is intended to assist the physician in evaluating the heart and the aorta in non-cardiac chest CT. AI-Rad Companion (Musculoskeletal) performs segmentation, labeling and measurements of the vertebra bodies of the spine.


Market presence
On market since 05-2019
Distribution channels Teamplay Digital Health Platform
Countries present (clinical, non-research use)
Paying clinical customers (institutes)
Research/test users (institutes)
Pricing model Subscription
Based on Number of analyses


Peer reviewed papers on performance

  • The Potential Role of Artificial Intelligence in Lung Cancer Screening Using Low-Dose Computed Tomography (read)

  • Opportunistic osteoporosis screening using chest CT with artificial intelligence (read)

  • Impact of Artificial Intelligence Assistance on Chest CT Interpretation Times: A Prospective Randomized Study (read)

  • Impact of Concurrent Use of Artificial Intelligence Tools on Radiologists Reading Time: A Prospective Feasibility Study (read)

Non-peer reviewed papers on performance
Other relevant papers

  • Artificial Intelligence has Similar Performance to Subjective Assessment of Emphysema Severity on Chest CT (read)