Methaemoglobin is a form of haemoglobin, which cannot carry oxygen.
Measurement is performed by blood gas analyser.
Clinical details: 
The presence of methaemoglobin reduces the volume of oxygen that can be transported by the patients red cells.
% of total haemoglobin.
Sample type and Volume required: 
Whole blood collected into EDTA anticoagulant
Turnaround time: 
Within 24 hours
Storage and transport: 
Blood Sciences Department-Guy's And St Thomas' Hospital
Result Query: 020 7188 8008
St Thomas' Hospital
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Contact: 020 7188 9247

Guy's Hospital
Southwark Wing - 4th Floor
Great Maze Pond
London SE1 9RT
Contact: 020 7188 4781
Haematology Laboratory at Guy's and St Thomas' Clinical Advisory Service
Routine hours: bleep 1358
Paediatrics Routine hours: bleep 1621

Out of hours, weekend and bank holidays: 17:00-9:00 bleep 0294
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 07/08/2015