Hereditary persistence of fetal…

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Hereditary persistence of fetal hemoglobin-beta-thalassemia syndrome

ORPHA:46532Disease

Also called HPFH-beta-thalassemia syndrome

What it is

Hereditary persistence of fetal hemoglobin (HPFH) associated with beta-thalassemia is characterized by high hemoglobin (Hb) F levels and an increased number of fetal-Hb-containing-cells.

Key facts

Age of onset
Childhood
Inheritance
Autosomal dominant
Classified as
Disease

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Genes

HBBDisease-causing germline mutation(s)
HBG1Disease-causing germline mutation(s)
HBG2Disease-causing germline mutation(s)
KLF1Disease-causing germline mutation(s)

ICD-10 codes

D56.4filed under a broader ICD-10 category — shared with 1 other rare disease

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0018749OMIM 141749OMIM 142335OMIM 142470OMIM 305435OMIM 613566UMLS C0271994

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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