COVID-19: Revised Clinician Codes Accepted with CS Modifier


Effective March 18, 2020, the Families First Coronavirus Response Act requires Medicare Part B to cover beneficiary cost-sharing for provider visits when a COVID-19 diagnostic test is administered or ordered. CMS updated the list of codes (ZIP) that physicians and non-physician practitioners can use with the Cost-Sharing (CS) modifier.

For dates of service on or after January 1, 2021, through the end of the public health emergency, we’ll accept these codes with the CS modifier:


More information about cost-sharing: Medicare Fee-For-Service (FFS) Response to the Public Health Emergency on the Coronavirus (COVID-19) (PDF) MLN Matters Article

Source: MLN Matters