Methaemoglobin Assay
Haematology Overview / Directory
Purpose of the test
Description: Increased levels of methaemoglobin are found in cases of drug oxidation, Haemoglobin M's, methaemoglobin reductase deficiency and unstable haemoglobins. Although methaemoglobin is present with the haemogobin M's, it cannot be adequately measured by this technique.
Reference Range
<1.0%
Sample Requirements
Minimum 1 ml EDTA blood. It is recommended a FBC is performed and results sent with sample for interpretive purposes.
Storage and Transport
Sample must be received in the laboratory on the day of collection
Turnaround Time
3 working days
Time Limit for Extra Tests
Depends on tests required. Contact laboratory for further details.
Factors affecting results or interpretation
Recent blood transfusion.
Raised reticulocyte levels and/or raised WBC levels may affect assay.
Contacts
Tel 020 3299 9000 Laboratory Ext 2455 Office Ext 4337
