raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:576349

NLRC4-related familial cold autoinflammatory syndrome

Synonyms: FCAS4 · Familial cold autoinflammatory syndrome 4 · NLRC4-related familial cold urticaria

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

A rare hereditary periodic fever syndrome characterized by infantile or childhood onset of episodes of fever and cold-induced urticaria-like rash and arthralgias. Ocular features such as conjunctivitis and uveitis may also be present. Presentation is typically mild, and symptoms resolve without treatment in most cases.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNLRC4-related familial cold autoinflammatory syndromeFCAS4 · Familial cold autoinflammatory syndrome 4 · NLRC4-related familial cold urticaria
frSyndrome familial auto-inflammatoire au froid associé à NLRC4SFAF4 · Syndrome familial auto-inflammatoire au froid type 4 · Urticaire familiale au froid associé à NLRC4
deNLRC4-assoziiertes familiäres kälteinduziertes autoinflammatorisches SyndromAutoinflammatorisches Syndrom, kälteinduziertes, familiäres, Typ 4 · FCAS4 · NLRC4-assoziierte familiäre Kälte-Urtikaria
esSíndrome autoinflamatorio familiar por frío asociado a NLRC4FCAS4 · Síndrome autoinflamatorio familiar por frío 4 · Urticaria familiar por frío asociada a NLRC4
itSindrome autoinfiammatoria familiare da freddo correlata a NLRC4FCAS4 · Orticaria da freddo familiare correlata a NLRC4 · Sindrome autoinfiammatoria familiare da freddo 4
nlNLRC4-gerelateerd familiaal auto-inflammatoir syndroom door koudeFCAS4 · Familiaal auto-inflammatoir syndroom door koude 4 · NLRC4-gerelateerde familiale koude-urticaria
ptSíndrome autoinflamatório ao frio familiar NLRC4-relacionadaSíndrome familiar autoinflamatório ao frio 4
plRodzinny zespół autozapalny indukowany zimnem związany z NLRC4= en
csNLRC4-vázaný familiární chladový autoinflamatorní syndrom= en
ukСімейний холодовий аутозапальний синдром, повязаний з NLRC4Сімейний холодовий аутозапальний синдром 4 · FCAS4 · Сімейна холодова кропивянка, повязана з NLRC4
zhNLRC4基因相关家族性感冒自身炎性综合征家族性寒冷性自身炎性综合征
trNLRC4-ilişkili ailesel soğuk otoinflamatuar sendromFCAS4 · NLRC4-ilişkili ailesel soğuk ürtiker · Ailesel soğuk otoinflamatuar sendrom 4

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616115Evalidated
ICD-10D89.8NTBTattributedvalidated
ICD-114A60.1NTBTattributedvalidated
MONDO0014498Evalidated
UMLSC4015276Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NLRC4Disease-causing germline mutation(s) inAssessedHGNC:16412ENSG000000911066068312p22.3NLR family CARD domain containing 425385754[PMID]_31953710[PMID]_28957823[PMID]_29247997[PMID]_29496273[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families26 casesWorldwideCase(s)Validated29496273[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated29496273[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