Internal Contamination Clinical Reference

About This App

This app estimates reference concentrations of radionuclides in urine assuming intakes equal to one Clinical Decision Guide (CDG) for each radionuclide.

Intended Audience

The ICCR app is intended for clinicians, health professionals, radiation safety officers, medical and public health laboratory specialists, or any other professional interested in internal contamination with radioactive materials and their medical therapy.

How to Use

There are two ways the app can be used:

  1. Lookup reference information on a particular radionuclide or medical countermeasure.
  2. Perform assessments based on hypothetical patient scenarios.

Contact Us

If you have questions regarding the ICCR app, please email

CDC Logo

Available now...

ICCR, get it on the App Store now! ICCR, get it on Google Play now!