2021 Part B MAC Update

The April 2021 quarterly update includes revisions to the Part B SNF CB files for 2021, 2020, 2019, and 2017.

The revisions to the Part B SNF CB files for 2021 included in this update (effective with the April 5, 2021 implementation of CR 12212) are as follows:

Revisions to the 2021 Files

File 1

Addition of COVID-19 vaccine and vaccine administration codes. This list includes codes that have been reserved for future use and codes recently implemented:

• COVID-19 Vaccine Codes Q0201 - Q0250
• COVID-19 Vaccine Administration Codes M0201 - M0250.

File 4

• Correction of code duplication – codes 97129 & 97130 were on this file twice. CMS corrected the file to show one entry for both codes. Additionally, codes 97607 and 97608 are already on the Common Working File (CWF) processing file but weren’t added to the CMS web files.

The SNF consolidated billing files reflect new codes that have been developed for 2021 and codes that have been discontinued in 2020. In addition, the files reflect any additions and deletions to categories of services excluded from consolidated billing. These files are effective for claims with dates of service on or after 1/01/2021 unless otherwise noted.

Effective January 1, 2021 the following changes are made to File #1 - Physician Services for SNF CB: