Question:

Is there an appeal process for units of service denied based on medically unlikely edits (MUEs)?

Answer:

Units of service (UOS) denied due to a claim-line MUE or a date-of-service MUE may be appealed. According to the Centers for Medicare & Medicaid Services (CMS), appeals should be submitted to local contractors (rather than the MUE contractor). Contractors adjudicating appeals will determine whether the appropriate HCPCS or CPT® code and number of UOS are reported and whether the UOS reported are medically reasonable and necessary. Contractors may pay UOS in excess of the MUE value if the contractor determines that they are medically reasonable and necessary.

CPT® is a registered trademark of the American Medical Association.

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CPT® copyright 2021 American Medical Association (AMA). All rights reserved.

Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

CPT is a registered trademark of the American Medical Association.