UPDATE MAY 2018: The online version of the CDA Guideline Validation Tool will no longer be available after June 2018. If you still need access to validation, please download the schematron packages. Thank you.
Note: NIST cannot guarantee 24/7 access to this on-line service. If you have mission-critical work dependent on access to this service, please consider using the available downloadable version as a service local to you. Thank you.