QUESTION: When performing an impairment rating (IR) for carpal tunnel syndrome (CTS), cubital tunnel, etc, I have always disregarded QuickDASH scores higher than 80 because Table 15-23, Entrapment/Compression Neuropathy Impairment, in the AMA Guides, Sixth Edition (6th ed, 449), does not list the functional scale options of anything other than normal, mild, moderate, or severe depending on which level is designated by averaging the three scores for test findings, history, and physical findings. The ranges listed for QuickDASH scores are normal (0-20); mild (21-40); moderate (41-60); and severe (61-80). I assume that QuickDASH scores of >80 are not included because a QuickDASH score that would equate to a “very severe” or level four functional scale would be akin to the grade modifier for functional history (GMFH) that is two levels higher than the grade...
Q&A: The Role of the QuickDASH in Carpal Tunnel Syndrome (Authoritative Article*)
Authoritative articles reflect an official AMA interpretation, application or clarification. They are approved by the AMA Guides Editorial Panel and represent authoritative guidance on how to apply the AMA Guides but are not considered an official revision to the AMA Guides.
Douglas W. Martin, J. Mark Melhorn, James B. Talmage; Q&A: The Role of the QuickDASH in Carpal Tunnel Syndrome (Authoritative Article). Guides Newsletter 1 July 2020; 25 (4): 14–15. doi: https://doi.org/10.1001/amaguidesnewsletters.2020.JulAug04
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