raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:619363

NOCARH syndrome

Synonyms: Neonatal-onset cytopenia-autoinflammation-rash episodes of HLH syndrome · Neonatal-onset cytopenia-autoinflammation-rash episodes of hemophagocytic lymphohistiocytosis syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

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.

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Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enNOCARH syndromeNeonatal-onset cytopenia-autoinflammation-rash episodes of HLH syndrome · Neonatal-onset cytopenia-autoinflammation-rash episodes of hemophagocytic lymphohistiocytosis syndrome
frSyndrome NOCARHSyndrome de cytopénie-autoinflammation-éruption cutanée-épisodes HLH à début néonatal · Syndrome de cytopénie-autoinflammation-éruption cutanée-épisodes de hémophagocytose lymphohistiocytaire à début néonatal · Syndrome de cytopénie-autoinflammation-éruption cutanée-épisodes de lymphohistiocytose hémophagocytaire à début néonatal
deNOCARH-SyndromAutoinflammation-Zytopenie-Gesichtsdysmorphie-Syndrom des Neugeborenen · Neonatales Auftreten von Panzytopenie mit Autoinflammation und Rash-Episoden des HLH-Syndroms
esSíndrome NOCARHSíndrome de citopenia-autoinflamación-erupción-episodios de LHH de inicio neonatal · Síndrome de citopenia-autoinflamación-erupción-episodios de linfohistiocitosis hemofagocítica de inicio neonatal
itSindrome di NOCARHSindrome citopenia ad esordio neonatale-autoinfiammazione-eruzione-episodi di HLH · Malattia autoinfiammatoria multisistemica grave ad esordio neonatale con aumento dell’interleuchina 18 · Sindrome citopenia a esordio neonatale-autoinfiammazione-eruzione-episodi di HLH · Sindrome citopenia a esordio neonatale-autoinfiammazione-eruzione-episodi di linfoistiocitosi emofagocitica
nlNOCARH-syndroomNeonataal optredend cytopenie - auto-inflammatie - episodes van huiduitslag van HLH-syndroom · Neonataal optredend cytopenie - auto-inflammatie - episodes van huiduitslag van hemofagocytaire lymfohistiocytose-syndroom
ptSíndrome NOCARHSíndrome de citopenia com início neonatal-rash autoinflamatório episódios de linfohistiocitose hemofagocítica · Síndrome de citopenia com início neonatal-rash autoinflamatório-episódios de HLH
plCiężka wieloukładowa choroba autozapalna z podwyższonym poziomem IL18 o początku w okresie noworodkowymZespół NOCARH
csNovorozenecké těžké multisystémové autoinflamatorní onemocnění se zvýšeným IL18= en
ukСиндром NOCARHНеонатальна цитопенія - аутозапалення - висип - епізоди синдрому гемофагоцитарного лімфогістіоцитозу · Неонатальна цитопенія - аутозапалення - епізоди висипу - синдром ГЛГ

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D76.1NTBTattributedvalidated
ICD-114A01.23NTBTattributedvalidated
MONDO0850065Evalidated
UMLSC5925147Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (6):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CDC42Disease-causing germline mutation(s) inAssessedHGNC:1736ENSG000000708311169521p36.12cell division cycle 4231271789[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families15 casesWorldwideCase(s)Validated31271789[PMID]_37741518[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated31271789[PMID]_37741518[PMID]_ORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card