raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:97678

Maternal uniparental disomy of chromosome 13 syndrome

Synonyms: UPD(13)mat

Type
Malformation syndrome
Group
Disorder
Age of onset
Adult
Status
active

Maternal uniparental disomy of chromosome 13 is an uniparental disomy of maternal origin that most likely do not have any phenotypic expression except from cases of homozygosity for a recessive disease mutation for which only mother is a carrier.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMaternal uniparental disomy of chromosome 13 syndromeUPD(13)mat
frSyndrome de disomie uniparentale maternelle du chromosome 13UPD(13) maternelle · UPD(13)mat
deUniparentale Disomie 13, maternale= en
esSíndrome de disomía uniparental materna del cromosoma 13= en
itSindrome disomia uniparentale materna del cromosoma 13= en
nlMaternale uniparentale disomie van chromosoom 13-syndroom= en
ptDissomia uniparental de origem materna, cromossoma 13
plZespZespół jednorodzicielskiej disomii chromosomu 13 pochodzenia matczynego= en
csMaternální uniparentální dizomie chromozomu 13= en
ukМатеринська уніпарентна дисомія хромосоми 13= en
zh母系13号染色体单亲二体型母源性UPD(13)
tr13. kromozomun maternal uniparental dizomisiUPD (13)mat

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q99.8NTBTattributedvalidated
ICD-11LD45.0NTBTindexvalidated
MONDO0019994Evalidated
UMLSC4722325Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)ValidatedISBN:978-3-642-55287-8[OTHER]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_ISBN:978-3-642-55287-8[OTHER]

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