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Mitochondrial Complex I Deficiency Nuclear Type 10 C4748768

Published: July 22, 2026Updated: August 25, 2026

A rare genetic disorder that impairs mitochondria's energy production capacity. It can affect multiple organ systems and varies in severity. Management involves supportive therapies and monitoring affected organs.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 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.

Warning signs - seek immediate care

!

Sudden weakness

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Growth retardation

(developmental)

Renal tubular dysfunction

(renal)

Hepatic dysfunction

(hepatic)

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 (Ubiquinone) Supplementation

Coenzyme Q10 is an essential electron carrier in the mitochondrial electron transport chain. Supplementation may help bypass complex I defects and improve ATP production. Response varies by patient and underlying genetic mutation.

medication
2

Pharmacological management with first-line agents

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

medication
3

Ketogenic Diet Therapy

A high-fat, low-carbohydrate diet that provides alternative energy substrates through ketone body metabolism, potentially bypassing impaired complex I function. Requires careful medical supervision and monitoring.

dietary

Additional treatment options

L-Carnitine Supplementation

Carnitine facilitates fatty acid transport into mitochondria and helps remove toxic metabolites. May support mitochondrial function and reduce metabolic stress in patients with complex I deficiency.

medication

Multisystem Monitoring Program

Regular surveillance of cardiac, neurological, hepatic, and renal function through echocardiography, EEG, and laboratory testing to detect and manage complications early.

monitoring

Energy Conservation Strategies

Implementation of pacing techniques and activity modification to prevent metabolic crises. Includes scheduled rest periods, avoidance of overexertion, and stress management.

lifestyle

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 Mitochondrial Complex I Deficiency Nuclear Type 10 C4748768?

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

general

Medication Comparisons

Compare medications used to treat Mitochondrial Complex I Deficiency Nuclear Type 10 C4748768. 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 25, 2026. · Read our editorial policy