raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:727394

Autosomal recessive KLF1-related severe anemia

Synonyms: Congenital dyserythropoietic anemia type IVb · Congenital dyserythropoietic anemia type 4b · CDA type IVb · CDA type 4b

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

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enAutosomal recessive KLF1-related severe anemiaCongenital dyserythropoietic anemia type IVb · Congenital dyserythropoietic anemia type 4b · CDA type IVb · CDA type 4b
frAnémie sévère autosomique récessive associée à KLF1Anémie dysérythropoïétique congénitale type IVb · Anémie dysérythropoïétique congénitale type 4b · CDA type IVb · CDA type 4b
deKLF1-assoziierte schwere Anämie, autosomal-rezessiveCDA Typ 4b · CDA Typ IVb · Kongenitale dyserythropoetische Anämie Typ 4b · Anämie, dyserythropoetische, kongenitale, Typ IVb
esAnemia grave autosómica recesiva asociada al gen KLF1ADC tipo 4b · ADC tipo IVb · Anemia diseritropoyética congénita tipo 4b · Anemia diseritropoyética congénita tipo IVb
itAnemia grave autosomica recessiva correlata a KLF1Anemia diseritropoietica congenita tipo 4b · Anemia diseritropoietica congenita tipo IVb · CDA tipo 4b · CDA tipo IVb
nlAutosomaal recessieve KLF1-gerelateerde ernstige anemieCDA type 4b · CDA type IVb · Congenitale dyserytropoëtische anemie type 4b · Congenitale dyserytropoëtische anemie type Ivb
ptAutosomal recessive KLF1-related severe anemia
plAutosomal recessive KLF1-related severe anemia= en
csAutosomal recessive KLF1-related severe anemia= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM620969Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KLF1Disease-causing germline mutation(s) inAssessedHGNC:6345ENSG0000010561060059919p13.13KLF transcription factor 124443441[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families12 casesWorldwideCase(s)Validated34554218[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated34554218[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.

6

HPO phenotypes

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

7

Sources for this card