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Factors affecting the results or processing of haematinics and haemolytics tests

Here are some of the factors which could affect the results or processing of haematinics and haemolytics tests. This is not an exhaustive list. There may be other factors affecting the reporting of results which are not listed. Also see a list of factors affecting all sections of the haematology department.

 

Test Factors affecting result/processing Outcome
Red Cell Folate

No EDTA sample sent - only clotted sample

Only serum folate can be measured
Red Cell Folate EDTA clotted Would not process
Ferritin, B12, Serum folate

Only EDTA sent

Would not process
Haematinic assays Haemolysis Would process and add appropriate comment
Haemolytic assays EDTA clotted Would not process
Plasma Viscosity Sample stored in fridge Would not process