September 27, 2017

New Manual Helps Practices Stay Up-to-Date With CT Quality Control

The updated ACR CT Quality Control Manual assists facilities in testing and maintaining CT equipment within a continuous quality control program. The digital manual emphasizes a team approach to quality control, with step-by-step instructions for daily, weekly, monthly and yearly tests. Based on test results, you can review suggestions for corrective action.

What's New?
The manual describes which personnel are responsible for specific tasks and delineates methods for evaluating equipment performance. Updates include:

Radiologist Section Radiologic Technologist Section Qualified Medical Physicist Section
  • Qualified medical physicist responsibilities
  • Expectation of acceptance testing
  • Responsibilities of a CT protocol review and management team
  • Expectation of action limits
  • Expectation of testing after scanner repairs
  • Water CT number and standard deviation (noise) testing procedure and data interpretation and corrective action
  • Artifact evaluation test procedure
  • Quality Control Data Form and Laser Film Quality Checklist

Removed: Standard Artifact-Free Image section

  • Clinical protocol section
  • Radiation beam width recommended performance criteria and corrective action
  • Low-contrast performance data interpretation and analysis
  • CT number accuracy recommended performance criteria and corrective action
  • Artifact evaluation test procedure
  • CT number uniformity data interpretation and analysis and recommended performance criteria and corrective action
  • Dosimetry test procedure, data interpretation and analysis and timeframe for corrective action
  • CT scanner display calibration data interpretation and analysis and corrective action 

Removed: Image thickness test



The new ACR CT Quality Control Manual is free to ACR-accredited facilities and facilities applying for accreditation. Others can purchase the manual from the ACR Catalog.

For More Information

To learn more about CT quality control resources, visit the ACR CT Accreditation page.