Use of "CS" Modifier

• CS Modifier is used on visits related to testing for COVID-19.

• When the CS modifier is used with the CPT code then Medicare and private insurance cover 100% of the claim with zero patient responsibility.

• According to the laws passed for COVID-19, Medicare and private plans will cover all COVID-19-related visits without any cost-sharing amount or prior authorization, or other management requirements.

• The CS modifier information was released in April and it was retroactive from March 18, 2020. 

• CS Modifier can be used for both Inpatient visits and visits via Telehealth.

Click Here to see the list of modifiers