Mitochondrial Complex I Deficiency Nuclear Type 1 C6022305
An inherited disorder affecting the first complex of the mitochondrial energy chain. It may cause muscle weakness, developmental delays, or heart problems. Treatment focuses on supportive care tailored to symptoms.
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
Vision loss
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Metabolic acidosis
(metabolic)Cardiomyopathy
(cardiovascular)Peripheral neuropathy
(neurological)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
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Mitochondrial Cocktail Supplementation
A combination supplement including CoQ10, L-carnitine, B-vitamins, and other micronutrients tailored to support mitochondrial function. This comprehensive approach addresses multiple aspects of cellular energy metabolism.
Additional treatment options
Seizure Management (if applicable)
Antiepileptic medications may be necessary if seizures develop as a complication of nuclear-type complex I deficiency. Selection requires careful consideration of mitochondrial disease interactions.
medicationMultisystem Monitoring Protocol
Comprehensive monitoring of cardiac, neurological, endocrine, and renal systems addresses the multisystem nature of nuclear complex I deficiency. Includes regular laboratory panels, imaging, and specialist consultations.
monitoringNeuropsychological Support Services
Cognitive assessment and psychological support address developmental delays, learning difficulties, and emotional adjustment. Includes school liaison services and family counseling.
psychologicalModified McDonald Diet Consideration
Dietary modifications including enhanced hydration, smaller frequent meals, and strategic carbohydrate intake may help manage symptoms. Specialist dietitian consultation is essential for implementation.
dietaryWhen 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 1 C6022305?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Mitochondrial Complex I Deficiency Nuclear Type 1 C6022305. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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