Syndromic sensorineural deafness

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Syndromic sensorineural deafness due to combined oxidative phosphorylation defect

ORPHA:457223Disease

Also called Syndromic sensorineural deafness due to COXPD · Syndromic sensorineural hearing loss due to COXPD

What it is

A rare mitochondrial disease characterized by a variable phenotype comprising congenital sensorineural deafness, intermittent or persistent hypoglycemia, and hepatic and renal dysfunction potentially progressing to organ failure. Serum lactate levels are variably increased, deficiency of mitochondrial respiratory chain complexes I, III, and IV is observed in the liver and in fibroblasts.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Neonatal
Inheritance
Autosomal recessive
Classified as
Disease

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Gene

MRPS7Disease-causing germline mutation(s)

ICD-10 codes

E88.8filed under a broader ICD-10 category — shared with 91 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0018706MONDO 18706MONDO 54741OMIM 617872UMLS C4693450

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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