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MDS 3.0 Technical Information

What's New -

March 21, 2016

An updated errata was posted for DRAFT version (v2.00.0) of the MDS 3.0 Data Specifications, which are scheduled to go into effect on October 1, 2016.  Three additional issues were identified, while there was a revision to an issue from the previous errata.  Please note that an additional edit has been introduced for the A0310 items.  Also, the item subset code SPE has been discontinued.

January 28, 2016

An errata was posted for DRAFT version (v2.00.0) of the MDS 3.0 Data Specifications, which are scheduled to go into effect on October 1, 2016.  Six issues were identified.  Four of the issues are modifications to edits.  The other issues address items for which version notes were missing and the inadvertent inclusion of item A2300 in the item subset ST.

December 21, 2015

A new version (v1.02.0) of the Care Area Trigger (CAT) specifications was posted for OBRA comprehensive assessments with an assessment reference date on or after 10/01/2016.  Please note the changes to CATs 1 and 2, which were necessary due to the removal of the C1300 items in v1.14.0 of the MDS 3.0 item sets.

October 29, 2015

A new DRAFT version (v1.14.0) of the MDS 3.0 item sets was posted.  There are many item changes in this version, including a new section, GG.  Also, there are two new item subset s for PPS Part A Discharge (End of Stay) assessments – one for nursing homes and the other for swing bed facilities.  This version is scheduled to become effective October 1, 2016, in conjunction with the new version of the data specs (v2.00.0).

In addition, a new DRAFT version (v2.00.0) of the MDS 3.0 Data Specifications was posted.  Along with the item changes and new item subsets described above, these specifications also include many edit additions/revisions and new Section S items as well.  Details about the changes in this version are contained in the Edit Change Report and the Item Change Report.  As with the item sets, this version of the data specifications is scheduled to become effective October 1, 2016 and should be considered DRAFT and subject to change until it is finalized.

October 2015 – jRAVEN 1.3.0

jRAVEN v1.3.0 (Resident Assessment Validation and Entry), currently available inside the Related Links section at the bottom of this webpage, is a Java-based application that provides an option for facilities to collect and maintain facility, resident, and MDS Assessment information for subsequent submission to the appropriate state and/or national data repository. jRAVEN is a free software provided by Centers for Medicare and Medicaid Services (CMS). Please consult the jRAVEN 1.3.0 Installation and User Guides for further information.

jRAVEN 1.3.0 includes the following updates:

  • Item Set changes
  • Data Specification updates
  • VUT update
  • HotKey updates
  • ICD 10
  • Help Contents/RAI manual updates
  • New Disclaimer and CAM verbiage
  • Cosmetic Report changes
  • Enhanced Resident Match
  • Facility Information Display
  • Resident Lock/Unlock
  • Encryption updates
  • Server upgrade
  • Database restore enhancements

Note: If jRAVEN has NOT been upgraded to at least 1.2.0, this must be done BEFORE installing version 1.3.0. Please contact the QTSO Help Desk at 800-339-9313 OR help@qtso.com for additional instructions or assistance if needed.

August 13, 2015

An updated version (v1.13.2) of the MDS 3.0 item sets was posted. No item changes occurred with this version. The only change with this version is updated text in the legal copyright notice. This version is scheduled to become effective October 1, 2015, in conjunction with the new version of the data specs (v1.15.0). The item sets should be considered final.

July 27, 2015

A new version (v1.13.1) of the MDS 3.0 item sets was posted.  The version contains an updated legal copyright notice only.  No item changes occurred with this version.   This version is scheduled to become effective October 1, 2015, in conjunction with the new version of the data specs (v1.15.0). The item sets should be considered final.

July 20, 2015

Additional flaws were discovered within two PDF files for the Detailed MDS 3.0 Data Specs Report (V1.15.0) for Sections A and O.  The files have been updated within the V1.15.0 data specifications ZIP file, available in the Downloads section below.  No specification content was changed, and no other files were affected.

June 25, 2015

A flaw was discovered within the PDF file for the Detailed MDS 3.0 Data Specs Report (V1.15.0) for Section A.  The file has been updated within the V1.15.0 data specifications ZIP file, available in the Downloads section below.  No specification content was changed, and no other files were affected.

March 17, 2015

The final version of the V1.15.0 data submission specifications was posted.  (The draft version was posted on November 17, 2014.)  This version is scheduled to become effective October 1, 2015.

The primary purpose of Version 1.15.0 of the data submission specifications is to accommodate the transition from ICD-9 diagnosis codes to ICD-10 which is scheduled for October 1, 2015. Version 1.15.0 of the data submission specifications also incorporates all of the changes that were described in the latest errata document for Version 1.14.1 which was dated October 29, 2014.

Details about the changes in this version are contained in the Edit Change Report and the Item Change Report.

January 29, 2015

A new version (v1.13.0) of the MDS item sets was posted. This version is scheduled to become effective October 1, 2015, in conjunction with the new version of the data specs (v1.15.0). The item sets should be considered final.

November 17, 2014

A new version (V1.15.0) of the data submission specifications was posted.  Documents associated with this version are dated 11/03/2014.  This version is scheduled to become effective October 1, 2015 and should be considered draft and subject to change until it is finalized.

The primary purpose of Version 1.15 of the data submission specifications is to accommodate the transition from ICD-9 diagnosis codes to ICD-10 which is scheduled for October 1, 2015.  Version 1.15.0 of the data submission specifications also incorporates all of the changes that were described in the latest errata document for Version 1.14.1 which was dated October 29, 2014.

Details about the changes in this version are contained in the Edit Change Report and the Item Change Report.

November 3, 2014

An updated errata document for V1.14.1 of the data submission specifications has been posted.  This version of the data specifications was implemented on 10/1/2014.  As explained in issue #03 of the errata document, a problem was recently identified with edits -3855 and -3856 in which they sometimes incorrectly trigger fatal errors on records containing valid data.  These edits are therefore being removed from the data specifications and will be removed from ASAP in November 2014.

May 22, 2014

A new version (V1.14.1) of the data submission specifications was posted.  This version is scheduled to become effective October 1, 2014 and should be considered final.  The new data specifications replace the prior draft version V1.14.0 and the new specifications incorporate all of the changes listed in the latest V1.14.0 errata document as well as several additional issues.  This includes the recent delay in implementation of ICD-10 coding which is being handled on the MDS by requiring the submission of ICD-9 diagnosis codes in item I8000.Details about the changes that have been made are contained in the Edit Change Report and the Item Change Report.

A new revised version V1.12.0 of the MDS item sets was posted replacing the prior draft version V1.12.0.  This new version should be considered final and is scheduled to become effective October 1, 2014 in conjunction with the new version of the data specs.  The word “Draft” had been included in the document footers of the prior version.  “Draft” is not included in the document footers of the new version.

August 08 , 2013

A Final Version of the RUG-IV Specifications and DLL Package (V1.03.0) was posted.  This Final Version is scheduled to become effective October 1, 2013.  This Final Version replaces the Draft Version previously posted on May 8, 2013.  There are no changes to the code, DLL, or test data. The only changes in this Final Version, from the Draft Version, involve a few minor wording corrections in the Grouper Overview document and a few formatting changes in other documents.  Please refer to the “RUGIV grouper overview” document for a summary of the changes that were made with this Final Version.

June 03, 2013

A new version (v1.11.1) of the MDS item sets was posted.  This version is scheduled to become effective October 1, 2013 in conjunction with the new version of the data specs (v1.13.1).  The item sets should also be considered provisional or draft and subject to change until final item sets are published.

April 17, 2013

One document in the RUG-III files posted on April 15, 2013 has been corrected.  The document “RUG III MDS 3.0 mapping specifications V1.00.5 04-08-2013.pdf” has been replaced with a corrected version “RUG III MDS 3.0 mapping specifications V1.00.5 04-16-2013.pdf”.  The only changes are replacing 2 references to “K6a” with “K6b” in the “Logic” section of page 49.

April 15, 2013

New versions of the RUG-III MDS 3.0 Version Converter DLL (V1.00.4) and the RUG III MDS 3.0 mapping specifications (V1.00.5)  were posted.  These new versions accommodate MDS item set changes for assessments on or after October 1, 2013 as well as earlier assessments.

April 12, 2013

The MDS 3.0 QM User’s Manual containing detailed specification for the MDS 3.0 quality measures has been removed from this page. The table entitled, Quality Measure Identification Number by CMS Reporting Module has been removed from this page. A new version of the MDS 3.0 QM User’s Manual (V8.0) and V1.2 of the Quality Measure Identification Number table are available in the Downloads section of the NHQI Quality Measures page.

MDS 3.0 Technical Information:

The following files contain technical information related to the MDS 3.0 and are now available under the Downloads section of this page:

  • MDS 3.0 Data Submission Specifications (V1.15.0) – Detailed MDS 3.0 data submission specifications for implementation on 10-01-2015.  (Updated 03-17-2015)
  • MDS 3.0 Data Submission Specifications (V1.14.1) – Detailed MDS 3.0 data submission specifications for implementation on 10-01-2014.  (Updated 05-08-2014)
  • Revised MDS 3.0 Item Sets (V1.12.0) – Printable MDS 3.0 item sets for implementation on 10-01-2014. (Updated 05-08-2014)
  • Revised MDS 3.0 Item Sets (V1.13.2) – Printable MDS 3.0 item sets for implementation on 10-01-2015. (Updated 08-12-2015)
  • RUG-III and RUG-IV Files (posted together):
    • RUG IV Files:
      •  RUG-IV Specifications and DLL Package (V1.03.0 Final) - Final Version 1.03.0 handles  revised RUG-IV classification effective 10/1/2013. (updated 08-08-2013 )
      • RUG-IV Unsmoothed and Smoothed Average Nursing Staff Time Means for the 66-Group, 57-Group and 48-Group Models Package (V.100). The unsmoothed and smoothed means are presented in PDF and CSV format. A PDF document describes the detailed methods used to smooth the nursing means.
    • RUG III Files:
      • RUG-III MDS 3.0 Mapping Specifications (V1.00.5) - This document presents logic that can be used to produce RUG-III classifications using assessment items contained on MDS 3.0 and accommodates item set changes for assessments on or after October 1, 2013 as well as earlier assessments. (updated 4-11-2013).
      • RUG-III MDS 3.0 Version Converter DLL (V1.00.4) - The RugVersionConverter.dll is designed to accept a fixed-format MDS 3.0 string, convert payment items to MDS 2.0 format, and return a fixed-format MDS 2.0 string. The MDS 2.0 string can then be submitted to the RUG-III grouper DLL (RUG520.DLL) to obtain a RUG-III group. This version of the Converter DLL processes MDS 3.0 strings made in accordance with v1.00.5 of the RUG-III MDS 3.0 Mapping Specifications. (updated 4-11-2013)
      • RUG-III Grouper Package (5.20) – Logic, test data, programs, and DLL to calculate RUG-III classification for MDS 2.0 records. This package can be used in conjunction with the RUG-III MDS 3.0 Mapping Specifications or Version Converter DLL to calculate RUG-III classification for MDS 3.0 records.
      • RUG-III Errata Document - Provides information about errors in the RAB and RAA group ADL ranges in three documents in the RUG-III V5.20 Package. Document is dated 09-03-2010. (Updated 09-23-2010)
      • RUG-III STRIVE Nursing CMIs (V1.00) - The nursing CMIs and nursing staff time means for the RUG-III groups (Version 5.20) based on the STRIVE staff time study are available for use in state Medicaid systems.
  • Errata Document for RUG-IV Specifications and DLL Package (V1.03.0 Final).  (Updated 8/14/2013 )
  • MDS 3.0 CATs Specifications (V1.01.0) - Care Area Trigger (CAT) specifications for OBRA comprehensive assessments with an assessment reference date on or after 4/1/2012.

Questions regarding the information on this page should be directed to mdstechissues@cms.hhs.gov. Please note that CMS will not be providing an individualized response to each inquiry; however, CMS will make sure the issues or comments are addressed in the upcoming MDS 3.0 training sessions or updates to the information provided on this page.

The information listed below under the "Downloads" section is subject to change. CMS will communicate any changes to these materials on this page as well as through Open Door Forums hosted by CMS.