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KE & KY Modifier Tool

Select the appropriate beneficiary location and date of service, then enter the accessory and base codes to determine when to use the KE and/or KY modifiers for options/accessories used with a non-competitive bidding base.

Select the beneficiary location and date of service:

Additional Resources:

Disclaimer: CGS' online tools and calculators are informational and educational tools only, designed to assist suppliers and providers in submitting claims correctly. CGS makes no guarantee that this resource will result in Medicare reimbursement for services provided. Although we've made every reasonable effort to provide effective resources, CGS is not responsible for the consequences of any decisions or actions taken in reliance upon or as a result of the information that these tools provide. CGS is not responsible for any human or mechanical errors or omissions.


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