CMS rolls out first MUEs for new CPT codes, effective April 1

Why This Topic Matters

The update affects how new CPT services are reviewed for unit limits and denials across several clinical areas, so practices need to know which newly effective codes are included and how the edit framework is structured for payers and appeals.

Article Sections

1. CMS update overview

   Introduces the new CMS edit update, its effective date, and the general scope of the first batch of newly addressed CPT services. It also notes areas that are not included in the update.

2. Revision to G0447

   Highlights a change to an existing code within the update and notes that additional units may be subject to denial review.

3. Musculoskeletal chapter

   Covers newly added musculoskeletal codes in the 2026 CPT manual and the related edit framework for these services.

4. Cardiovascular chapter

   Summarizes new cardiovascular repair-related codes and discusses how the update addresses primary and add-on coding categories.

5. Prostate biopsy codes

   Describes the prostate biopsy code group and the associated edit treatment for primary and add-on services.

6. Nervous system chapter

   Reviews the new minimally invasive lumbar decompression add-on code and its place within the update.

7. BAT and median nerve decompression

   Covers permanent baroreflex activation therapy codes and a median nerve decompression code included in the update.

8. Medicine chapter

   Addresses new medicine-category vaccine counseling codes and the reason CMS includes them in the MUE file for payer use.

9. Hearing aid evaluation codes

   Summarizes the new hearing aid evaluation code family and the associated primary and add-on edit treatment.

10. Appeals and documentation

    Provides general guidance on documentation needs and the challenges involved in appealing denials related to these edits.