MDS Rating Scales

The following scales and questionnaires are owned and licensed by the International Parkinson and Movement Disorder Society. To request permission or obtain licensing, please submit a Rating Scale Permission Request Form. (The first title links to the full paper or questionnaire, and is followed by a link to the actual scale/score sheet).

Note: Scales are downloadable PDF Get Adobe Reader

MDS-Owned Rating Scales   

    Note: Asterisk (*) indicates scale was developed by MDS.
    Plus symbol (+) indicates a working translation of scale is available.

For more information about all MDS Rating Scales, please contact the International Secretariat.

MDS-UPDRS Translation Information

Description of MDS-UPDRS Translation Program
Application for Non-English Translation of MDS-UPDRS


MDS Unified Parkinson's Disease Rating Scale (MDS-UPDRS)
Unified Dyskinesia Rating Scale (UDysRS)

MDS-UPDRS & UDysRS Online Training Programs

The International Parkinson and Movement Disorder Society has established a Training Program & Exercise for use of two separate rating scales.

This program allows participants to learn about the use of each scale, see examples of a rater administering the test to patients, and to view examples of the rating items. There is an exercise at the end of each training program. Click on the links below to access these training programs:

 Watch a video introduction of the MDS Rating Scales program from Dr. Glenn Stebbins, Co-Chair, Committee for Rating Scales Development.

MDS-Recommended Rating Scales

View rating scales which have been recommended by the International Parkinson and Movement Disorder Society's Committee on Rating Scales in Movement Disorders.

Unified Huntington's Disease Rating Scale (UHDRS)

For information on the UHDRS, please visit the Huntington Study Group's website or email


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