CMS now waives cost-sharing (coinsurance and deductible amounts) under Medicare Part B for Medicare patients for certain COVID-19 testing-related services. Previously, CMS made available the CS modifier for the gulf oil spill in 2010; however, CMS recently repurposed the CS 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 outlined in the April 7 message should use the CS 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% of the Medicare-approved amount. Additionally, they should NOT charge Medicare patients any co-insurance and/or deductible amounts for those services.
Cost-sharing does not apply for COVID-19 testing-related services, which are medical visits that: are furnished between March 18, 2020 and the end of the Public Health Emergency (PHE); that result in an order for or administration of a COVID-19 test; are related to furnishing or administering such a test or to the evaluation of an individual for purposes of determining the need for such a test; and are in any of the following categories of HCPCS evaluation and management codes:
- Office and other outpatient services
- Hospital observation services
- Emergency department services
- Nursing facility services
- Domiciliary, rest home, or custodial care services
- Home services
- Online digital evaluation and management services
Cost-sharing does not apply to the above medical visit services for which payment is made to:
- Hospital Outpatient Departments paid under the Outpatient Prospective Payment System
- Physicians and other professionals under the Physician Fee Schedule
- Critical Access Hospitals (CAHs)
- Rural Health Clinics (RHCs)
- Federally Qualified Health Centers (FQHCs)
Content sources:
https://www.porh.psu.edu/cms-announces-that-using-cs-modifier-when-cost-sharing-is-waived/