MS-DRG Definitions Manual Library

Our MS-DRG Definitions Manual Library is your one-stop shop for access to the official manuals published by CMS for each version of the MS-DRG grouper.  In each manual, you will find comprehensive listings such as MS-DRGs, diagnoses defined as Complications or Comorbidities (CCs), Major Complications or Comorbidities (MCCs), procedures defined as Operating Room (OR) procedures and Hospital Acquired Conditions (HACs).  

MS-DRG Definitions Manual v33 (Effective 10/1/2015)

MS-DRG Definitions Manual v34 (Effective 10/1/2016)

MS-DRG Definitions Manual v35 (Effective 10/1/2017)

MS-DRG Definitions Manual v36 (Effective 10/1/2018)

MS-DRG Definitions Manual v37 (Effective 10/1/2019)

MS-DRG Definitions Manual v37.1 (Effective 4/1/2020)

MS-DRG Definitions Manual v37.2 (Effective 8/1/2020)

MS-DRG Definitions Manual v 38.0 Rev 1 (Effective 10/1/2020)