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Start free with EleplanNOCARH syndrome
ORPHA:619363Disease
Also called Neonatal-onset cytopenia-autoinflammation-rash episodes of HLH syndrome · Neonatal-onset cytopenia-autoinflammation-rash episodes of hemophagocytic lymphohistiocytosis syndrome
What it is
A rare unclassified autoinflammatory syndrome characterized by neonatal onset pancytopenia, type I interferon-dependent multisystemic autoinflammation, painful rash with variable frequencies and hemophagocytic lymphohistiocytosis. Failure to thrive, fever, gastrointestinal/upper respiratory tract infections, enterocolitis, hepatosplenomegaly, myelofibrosis and neurodevelopmental delay are other common clinical features. Facial dysmorphism including macrocephaly, mild frontal bossing, sparse hair, mild hypertelorism, depressed nasal bridge can be present.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy, Neonatal
- Inheritance
- Autosomal dominant
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Gene
ICD-10 codes
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.
Cross-references
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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