Hi, totally baffledi have regular blood tests because on azathiprine for the past 3 years 50mg Had blood tests three weeks ago. I got a a text message from surgery saying I needed to repeat them. So had them repeated just before xmas.. today I got a text saying I need to call surgery to arrange for a doctor to call me back. Anyway to cut a long story short a ! Locum! Doctor rang and said my liver function was a 100 and should be 50. I have no knowledge at all as to what this means! The doctor said when is my next appointment with consultant. And to speak to my consultant. I tried to get answers but gp was very vaigue. Should I be worried any advice appreciated.