Q&A: What are some notable differences between G and GG scoring methodologies?

Posted By: CMS
Post Date: 01/09/2019

Question:  What are some notable differences between G and GG scoring methodologies?


Answer:  First, the scoring methodology for the items used in calculating the GG-based functional score is reversed from the methodology used for the section G-based functional score. More specifically, under Section G, increasing score means increasing dependence. Under Section GG, increasing score means increasing independence. Second, as compared to the ADL score used under RUG-IV, which exhibits a linear relationship between increasing dependence and increasing payment, the functional scores used under PDPM do not always exhibit this type of relationship between payment and patient functional status. In other words, under RUG-IV, increasing dependence, within a given RUG category, translates to higher payment. However, under PDPM, there is not a direct relationship between increasing dependence and increasing payment.

See more in the PDPM FAQs document released by CMS.

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