© 2020 Palmetto GBA, LLC
We frequently update our articles to reflect the latest changes and updates to Medicare, and strongly recommend you visit this article at link below to confirm you have the latest version.
Printed Date: 9/22/2015
HCPCS Modifier CS - Cost-Sharing is Waived (COVID-19)
Previously, CMS made available the CS HCPCS modifier for the gulf oil spill in 2010. Recently, however, CMS repurposed the CS HCPCS modifier for COVID-19 purposes. Now, for services furnished on March 18, 2020, and through the end of the Public Health Emergency, outpatient providers, physicians, and other providers and suppliers that bill Medicare for Part B services under specific payment systems should use the CS HCPCS modifier on applicable claim lines to identify the service as subject to the cost-sharing wavier for COVID-19 testing-related services and to get 100 percent of the Medicare-approved amount. Additionally, providers should not charge Medicare patients any co-insurance and/or deductible amounts for those services.
During the COVID-19 Public Health Emergency, CMS has provided specific guidelines for the use of HCPCS Modifier CS in the following CMS publications:
We value your opinion and want to provide the highest-quality and most relevant Medicare knowledge possible. Please let us know if this article was helpful.
It didn't answer my question
This article was helpful
We’re glad we could help you today and appreciate your feedback. When you rate our articles as most helpful, we know that we are on the right track for providing you with important news and information.
We're sorry this article didn't help you today. We'll use your feedback to review this article to try to revise or expand it. Contact us with more feedback or a question on this topic.
Last Updated: 04/16/2020