LOINC 78997-4 Can you walk 25 feet on a level surface (with or without support) is a screening question (PF_Screener2) to direct the survey participant to a place in the form.
The answer list linked to this question is https://r.details.loinc.org/AnswerList/LL1022-4.html, which applies to the questions that this screen directs to, but not the question itself.
The answer list for this question should be Yes/No, without any scoring. I’m not sure if an answer list that fits these requirements currently exist.