raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2587

Myeloperoxidase deficiency

Synonyms: MPO deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
All ages
Status
active

A rare primary immunodeficiency due to a defect in innate immunity characterized by a marked decrease or absence of myeloperoxidase activity in neutrophils and monocytes. Clinically, most patients are asymptomatic. Occasionally, severe infectious complications may occur, particularly recurrent candida infections, being especially severe in the setting of comorbid diabetes mellitus.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMyeloperoxidase deficiencyMPO deficiency
frDéficit en myéloperoxydaseDéficit en MPO
deMyeloperoxidase-MangelMPO-Mangel
esDeficiencia de mieloperoxidasaDeficiencia de MPO
itDeficit di mieloperossidasiDeficit di MPO
nlDeficiëntie van myeloperoxidaseMPO-deficiëntie
ptDeficiência de mieloperoxidaseDeficiência de MPO
plNiedobór mieloperoksydazyNiedobór MPO
csDeficit myeloperoxidázyDeficit MPO
ukДефіцит мієлопероксидазиДефіцит MPO
zh髓过氧化物酶缺乏症髓过氧化物酶缺乏症
trMiyeloperoksidaz eksikliğiMPO eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM254600Evalidated
ICD-10E80.3NTBTattributedvalidated
ICD-114A00.0YNTBTindexvalidated
MONDO0009694Evalidated
MeSHC562864Evalidated
UMLSC0398595Evalidated
GARD3868Evalidated
MedDRA10074767Evalidated

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
MPODisease-causing germline mutation(s) inAssessedHGNC:7218ENSG0000000538160698917q22myeloperoxidase7904599[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families18 casesWorldwideCase(s)Validated29262241[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated29262241[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