When is a sickling test indicated in patients with sickle cell disease (SCD)?

Updated: May 12, 2021
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Because of mandated newborn screening for sickle hemoglobinopathies, the diagnosis of SCD is already established in most patients with the disease who present for emergency care. If the diagnosis of sickle cell anemia is uncertain, a sickling test will establish the presence of HbS gene. It will not, however, differentiate between individuals who are homozygous and those who are heterozygous.

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