Minimum Data Set (MDS) 3.0 Technical Information

What's New

May 22, 2024

The MDS Data Specifications V3.02.1 (FINAL) are now available for download under the Downloads section at the bottom of this webpage. This version will go into production on October 1, 2024.  The Section S item additions are present in this FINAL version.  Please note the revision to edit -4043b, which will be retroactive to October 1.2023 when implemented on October 1, 2024. Also, please note that the Access database with the valid ICD codes for item I0020B in FY2025 will be posted during the summer.

April 16, 2024

PDPM Grouper JAR Package V2.2002 Now Available

The “PDPM Grouper JAR Package V2.2002.zip” is now available in the Downloads section below. This release was updated to support corrections to the Fiscal Year (FY) 2024 Patient Driven Payment Model (PDPM) International Classification of Diseases (ICD)-10 code mapping for the purposes of resident classification under the PDPM for Medicare Part A Skilled Nursing Facility (SNF) stays, effective beginning October 1, 2023. The updated ICD-10 mapping, with a discussion of the associated errors, is available here.

April 10, 2024

Update to I0020B ICD-10 codes Database

The Microsoft Access database containing the International Classification of Diseases (ICD)-10 codes allowed for item I0020B has been updated to reflect changes occurring soon with PDPM V2.2002. The new tables added should be treated as retroactive for FY2024. Please review the README.TXT included in the ZIP file, now available in the Downloads section.

March 4, 2024

MDS Data Specifications V3.02.0 (DRAFT) Now Available

The MDS Data Specifications V3.02.0 (DRAFT) are now available for download under the Downloads section at the bottom of this webpage. The Section GG goal items will be removed, and three new items will be added: O0350 (a COVID-19 related item). and N0415K1 and N0415K2 (anticonvulsant items). Also, items A2121-A2122 will be removed from the NPE ISC. Note that Section S item additions are not present in this DRAFT version but will be present in the FINAL specs later this year.

We encourage the vendor community to begin reviewing these draft specifications in preparation for a vendor call in April.

November 24, 2023

Errata V3.01.4 for MDS Data Specifications V3.01.1 (FINAL)

Errata V3.01.4 for Minimum Data Set (MDS) Data Specifications V3.01.1 (FINAL) is now available for download under the Downloads section at the bottom of this webpage.  Six issues were added to the errata. As a result, four edits were revised, and there were several mapping changes of items to edits. These revisions will be implemented in production on December 12, 2023, but they will be RETROACTIVE, so modifications to assessments submitted between October 1, 2023 and December 12, 2023 will have the edit and mapping changes from these issues applied in assessment validation.