I would welcome any advice on the following. I am aware that the standard instruction for calcitonin measurement in a fasting sample. However is a fasting sample crucial for MCT follow-up patients? Timings of clinics is making this difficult for one of my oncology colleagues. Thanks in advance. Janet Horner Leeds Teaching Hospitals ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/