You Be the Coder:
Know How to Apply This Cost-Sharing Modifier
Published on Tue Aug 18, 2020
Question: Our payer has a guideline that states: “Modifier CS must be added to each line item for COVID-19-related testing or treatment.” Does that mean that this applies to both the COVID-19 testing and the evaluation and management (E/M) code? Kansas Subscriber Answer: Medicare, and payers following its guidelines, requires modifier CS (Cost-sharing for specified covid-19 testing-related services that result [...]