Testing for Traits

A special blood test can detect either haemoglobonopathy disorders or traits. All that is required is 4 ml of blood in EDTA (0.3-1 ml for infants). A GP or the nearest Sickle Cell & Thalassaemia centre can arrange this.

If a person falls into any of the following categories a haemoglobinopathy screen may be indicated:
  • is of a Minority Ethnic Group (Non Northern European origin/Ancestry)
  • has a partner from a Minority Ethnic Group
  • has a Family History of anaemia (unexplained)
  • Haemoglobinopathy diagnosed/suspected in their partner
  • is adopted.
GPs / HCPs should send off a blood sample requesting the following analysis:

3-4mls venous blood in EDTA marked for “Haemoglobinopathy screen”

  • Full blood count
  • Haemoglobin A2 quantitation (HbA2)
  • Haemoglobin F quantitation (Hb F)
  • Haemoglobin Electrophoresis
  • Serum ferritin (may need separate sample)
 

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Last updated: 17 August 2011