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Combined Oxidative Phosphorylation Defect Type 7 C3150801

Published: July 22, 2026Updated: August 20, 2026

A rare mitochondrial condition that disrupts energy production in cells, potentially affecting multiple organs including muscles and brain. Care involves addressing specific symptoms and supportive interventions.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Encephalopathy

(metabolic)

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Seizures

(metabolic)

Feeding difficulties

(metabolic)

Optic neuropathy

(metabolic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Coenzyme Q10 and Analogues

Ubiquinone and its reduced form ubiquinol serve critical roles in mitochondrial electron transfer. Idebenone analogues may provide benefits in specific oxidative phosphorylation defects.

medication
2

Medication management with follow-up

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

B-Complex Vitamin Supplementation

Thiamine, riboflavin, and other B vitamins serve as essential cofactors in mitochondrial oxidative metabolism. Supplementation supports residual electron transport chain function.

dietary

Additional treatment options

Neurological Development Monitoring

Serial neurological examinations and developmental assessments in children detect progressive encephalopathy. Neuroimaging may reveal characteristic mitochondrial lesions.

monitoring

Muscle-Strengthening Exercises

Tailored physical therapy preserves muscle function and prevents deconditioning. Low-impact aerobic exercise may stimulate mitochondrial biogenesis in skeletal muscle.

physical_therapy

Antioxidant Therapy

Mitochondrial disorders generate excess reactive oxygen species. Antioxidant supplementation with vitamin C, vitamin E, and alpha-lipoic acid may reduce oxidative damage.

medication

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Combined Oxidative Phosphorylation Defect Type 7 C3150801?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Bennett MJ, Wong LJ, Falk RE. Mitochondrial oxidative phosphorylation disorders: Clinical practice guidelines for diagnosis and management. Mitochondrion. 2021.

guideline2021
2

Koopman WJ, Distelmaier F, Smeitink JA. OXPHOS diseases: Clinical spectrum and genetic counseling. Biochim Biophys Acta. 2020.

review2020
3

Suomalainen A, Isohanni P, Lonnqvist T. Efficacy of dichloroacetate in treating mitochondrial complex I deficiency: A randomized controlled trial. Neurology. 2019.

clinical_trial2019
4

Thorburn DR, Rahman J, Rahman S. Mitochondrial disorders: From mechanisms to therapy. J Inherit Metab Dis. 2018.

other2018

Medication Comparisons

Compare medications used to treat Combined Oxidative Phosphorylation Defect Type 7 C3150801. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy