Hi Kelz7683
It won't "go against your claim". Carpal tunnel syndrome is taken seriously, but as you say the majority of times people recover from it after surgery. If it were the only issue you had, you would expect it to have an impact on the length of the award you could potentially be offered, as the DWP would assume that this is not a long-term issue. However, you say in your post that you have other health problems, which are getting worse, and therefore, your carpal tunnel issues are just a small part of the whole picture, which is what the DWP will be looking at.
BIS
Nothing on this board constitutes legal advice - always consult a professional about specific problems