What kind of symptoms are you having that made you have the HIDA scan done?
so your gallbladder should be working atleast 35%
It means that for some reason your gallbladder isn't pumping bile out as it should (at least 35%). Possible causes are many, so you should discuss the details with your doctor. The condition is known as "gallbladder dyskinesia", also commonly referred to as "biliary dyskinesia".