Browse all
Guideline & validationUS v2022; MRI module cites ACR 2024 materialsACR RADS · Implementation clinical review: not documented
Implemented guideline / source edition
US v2022; MRI module cites ACR 2024 materials
Framework designation
ACR RADS
Last documented clinical review
No review date recorded in the app documentation.
Independent validation of this implementation
Not documented. This is not a validation certificate.

Source cited by this calculator

Strachowski LM, et al. O-RADS US Risk Stratification and Management System. Radiology. 2023. Based on ACR O-RADS US v2022.

MRI: ACR O-RADS MRI Risk Stratification and Management System (© 2024 ACR); PPV data from Thomassin-Naggara et al., JAMA Network Open, 2020.

The edition above describes this calculator, not necessarily the latest published guideline. Published evidence for a framework does not validate this app’s implementation. This app is not endorsed by the ACR; clinical judgment and source verification remain necessary.

Sign in to continue

Create a free account to access O-RADS.

RADS Calculator

Evidence-based radiology risk stratification tools for clinical and educational use.

RadsCalculator covers ACR-endorsed RADS, multi-society collaborative RADS, and other peer-reviewed classification systems. Each system is clearly designated throughout the site.

Legal

  • Privacy Policy
  • Terms of Service

Disclaimer: For educational and research purposes only. Not FDA approved. Not a diagnostic device.

Privacy: Calculations run locally in your browser and this platform does not store clinical inputs. Report text is transmitted to the AI service only when you explicitly request an explanation; do not include PHI.

© 2025–2026 RADS Calculator