Mitochondrial Complex I Deficiency Nuclear Type 6 C4748759
A rare inherited disorder disrupting cellular energy production. Children are usually affected, with symptoms involving various organs. Care focuses on symptom relief and supporting energy needs.
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
Acute metabolic decompensation
Seizures
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Feeding difficulties
(metabolic)Visual impairment (optic atrophy)
(metabolic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Anti-Seizure Medication Management
Appropriate anti-epileptic drugs for patients with seizure activity, selected carefully as some medications may exacerbate mitochondrial dysfunction. Monotherapy preferred when possible.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Multisystem Evaluation Protocol
Comprehensive regular assessments of cardiac, neurological, endocrine, and renal systems due to multisystem nature of mitochondrial complex I deficiency, typically coordinated through a specialty clinic.
Additional treatment options
Mitochondrial-Friendly Diet Protocol
Dietary approach emphasizing anti-inflammatory foods, adequate protein, and specific micronutrients while limiting fasting periods and inflammatory triggers that may stress mitochondria.
dietaryCardiac Device Implantation
Pacemaker or defibrillator placement for patients with cardiac conduction abnormalities or cardiomyopathy, which may develop as the disease progresses.
surgicalAcetyl-L-Carnitine Supplementation
Acetyl-L-carnitine supports mitochondrial energy metabolism and may provide neuroprotective benefits through enhanced acetylcholine production and reduced oxidative stress.
complementaryWhen 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.
What is Mitochondrial Complex I Deficiency Nuclear Type 6 C4748759?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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