The KU modifier is used to receive the unadjusted fee schedule amount and was implemented for a variety of wheelchair accessories and seat back cushions used with complex rehabilitative manual wheel-chairs and certain manual wheelchairs. The use of the KU modifier started for claims submitted on July 6, 2020 and is effective for dates of service from January 1, 2020 through June 30, 2021. On July 6, 2021 per MM12345, this was extended to include dates of service on or after July 1, 2021. The impacted accessories and wheelchair codes include K0005, E1161, E1231-E1238 and K0008. Previously paid claims with dates of service on or after January 1, 2020 can be reopened to add the KU modifier if following CMS guidelines.
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