raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99731

Isolated sulfite oxidase deficiency

Synonyms: ISOD · Sulfocysteinuria

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

This disease is described under Encephalopathy due to sulfite oxidase deficiency

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated sulfite oxidase deficiencyISOD · Sulfocysteinuria
frDéficit isolé en sulfite oxydaseISOD · Sulfocystinurie
deSulfitoxidase-Mangel, isolierterSulfocysteinurie · ISOD
esDeficiencia aislada de sulfito oxidasaISOD · Sulfocisteinuria
itDeficit isolato di solfito ossidasiISOD · Solfocistinuria
nlGeïsoleerde sulfietoxidasedeficiëntieISOD · Sulfocysteïnurie
ptDeficiência de sulfito oxidase isolada
plIzolowany Niedobór oksydazy siarczynowej= en
csIzolovaný deficit sulfit oxidázyISOD · Sulfocysteinurie
ukІзольований дефіцит сульфітоксидазиISOD · Сульфоцистеїнурія
zh孤立型亚硫酸盐氧化酶缺乏硫代半胱氨酸尿症
trİzole sülfit oksidaz eksikliğiISOD · Sülfosisteinüri
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM272300Evalidated
ICD-10E72.1NTBTattributedvalidated
ICD-115C50.BNTBTindexvalidated
MONDO0010089Evalidated
MeSHC538141Evalidated
GARD5062Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SUOXDisease-causing germline mutation(s) inAssessedHGNC:11460ENSG0000013953160688712q13.2sulfite oxidase
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families50 casesWorldwideCase(s)Validated28933809[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_28933809[PMID]

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