CMS released the fiscal year (FY) 2020 ICD-10-PCS changes on Friday, May 31, which include two Code revisions, 734 additions, and 2,056 invalidations. The files include information on ICD-10-PCS updates that all inpatient coders must use for discharges occurring from October 1, 2019, through September 30, 2020. The total number of ICD-10-PCS codes for 2019 was 78,881. This number has decreased for FY 2020 to 77,559 codes.
Source: CMS releases FY 2020 ICD-10-PCS code set