Orphanet: Sickle cell hemoglobin C disease syndrome

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Orphanet doesn't provide personalised answers. To get in touch with the Orphanet team, please contact

Information provided in your contribution (including your email address) will be stocked in .CSV files that will be sent as an email to Orphanet's teams. These emails might be conserved in the teams' mailboxes, in our backoffice servers but will not be registered in our databases (for more information see our section General Data Protection Regulation and data privacy (GDPR) and Confidentiality).

Captcha image

Sickle cell-hemoglobin C disease syndrome

Disease definition

A rare, genetic hemoglobinopathy characterized by anemia, reticulocytosis and erythrocyte abnormalities including target cells, irreversibly sickled cells and crystal-containing cells. Clinical course is similar to sickle cell disease, but less severe and with less complications. Signs and symptoms may include acute episodes of pain, splenic infarction and splenic sequestration crisis, acute chest syndrome, focal segmental glomerulosclerosis, ischemic brain injury, peripheral retinopathy, and osteonecrosis.


Classification level: Disorder
  • Synonym(s):
    • HbSC disease
  • Prevalence: Unknown
  • Inheritance: Autosomal recessive 
  • Age of onset: All ages
  • ICD-10: D57.2
  • ICD-11: 3A51.3  3A51.4
  • OMIM: -
  • UMLS: C0019034
  • MeSH: -
  • GARD: 6584
  • MedDRA: 10057072

Detailed information

General public


Disease review articles


Genetic Testing

ERN : produced/endorsed by ERN(s)
FSMR : produced/endorsed by FSMR(s)
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.