There are many occasions when you struggle to work out why a patient has a QOF alert showing on their home screen. 

One tool that can be useful is the QOF Timeline. To access this you will need to add it to your clinical tree. This article explains how to configure the clinical tree, this is what you are looking for in the search.  

Once you have it in the clinical tree you can click on it to show achievements in green, work to do in pink and exempt items in grey.  You can right click on any outstanding items and you will be offered to record an achievement specific to that indicator. Unlike the QOF alerts which dont disappear until the reports have rerun overnight, this data is up to date.