Is there a time limit within which a sample taken for COHb should be analysed eg if a GP suspects CO poisoning and the sample takes a few hours to get to the lab in the van!? Thanks Rob L Dr Robert Lord Department of Clinical Biochemistry Rotherham District General Hospital Moorgate Road Oakwood Rotherham S60 2UD Tel 01709 820000 E mail [log in to unmask] ------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/