raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:168566

Fatal mitochondrial disease due to combined oxidative phosphorylation defect type 3

Synonyms: Fatal mitochondrial disease due to COXPD3

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

Combined oxidative phosphorylation deficiency type 3 is an extremely rare clinically heterogenous disorder described in about 5 patients to date. Clinical signs included hypotonia, lactic acidosis, and hepatic insufficiency, with progressive encephalomyopathy or hypertrophic cardiomyopathy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFatal mitochondrial disease due to combined oxidative phosphorylation defect type 3Fatal mitochondrial disease due to COXPD3
frMaladie mitochondriale fatale par déficit combiné de la phosphorylation oxydative de type 3Maladie mitochondriale fatale par COXPD3
deFatale mitochondriale Krankheit durch kombinierten Defekt der oxidativen Phosphorylierung Typ 3COXPD3 · Fatale mitochondriale Krankheit durch COXPD3
esEnfermedad mitocondrial letal por deficiencia combinada de la fosforilación oxidativa tipo 3Enfermedad mitocondrial letal por COXPD3
itMalattia mitocondriale fatale da difetto combinato della fosforilazione ossidativa, tipo 3
nlFatale mitochondriale ziekte door gecombineerde oxidatieve fosforylatiedeficiëntie type 3Fatale mitochondriale ziekte door COXPD3
ptDoença mitocondrial fatal por deficiência combinada da fosforilação oxidadativa 3
plŚmiertelna choroba mitochondrialna spowodowana złożonym deficytem fosforylacji oksydatywnej 3Śmiertelna choroba mitochondrialna spowodowana COXPD3
csFatální mitochondriální onemocnění způsobené kombinovaným deficitem oxidativní fosforylace 3= en
ukЛетальна мітохондріальна хвороба, спричинена комбінованим дефектом окисного фосфорилювання типу 3Летальна мітохондріальна хвороба через ХОЗЛ3
zh3型氧化磷酸化缺陷所致重症线粒体疾病COXPD3所致致命性线粒体疾病
trKombine oksidatif fosforilasyon defekti tip 3'e bağlı fatal mitokondriyal hastalıkCOXPD3'e bağlı fatal mitokondriyal hastalık

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM610505Evalidated
ICD-10E88.8NTBTattributedvalidated
ICD-115C53.23NTBTindexvalidated
MONDO0012512Evalidated
UMLSC4303760Evalidated

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
TSFMDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:12367ENSG0000012329760472312q14.1Ts translation elongation factor, mitochondrial17033963[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated25037205[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25037205[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.

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Sources for this card