Imperial Collage Healthcare

Heinz bodies


Test Background
Heinz bodies are small irregular, deep purple-stained granules found in red blood cells due to oxidation of the haemoglobin molecules. They are seen in premature infants, in certain forms of drug sensitivity, and characteristically in G6PD deficiency following administration of oxidant drugs, eg. primaquine. They are classically seen in unstable haemoglobins, also in certain types of hereditary haemolytic anaemia and sometimes in patients with thalassaemia.


Clinical Indications
This is normally a reflexed test generated by Haematology medical or laboratory staff during haemoglobinopathy screening.


Sample Required
4 mL EDTA (lavender top) adults
0.5 mL EDTA (lavender top) paediatrics


Sample Volume
0.5 mL adult tube
0.2 mL paediatric tube


Turnaround Time
1-3 days depending on the day of arrival


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