Mitochondrial Complex I Deficiency Nuclear Type 36 C5436935
A rare genetic disorder impairing the mitochondria's ability to produce cellular energy. It often affects children and can involve multiple organs. Treatment involves managing symptoms and supporting energy production.
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
Metabolic crisis with hypoglycemia
Hepatic dysfunction
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Feeding difficulties
(gastrointestinal)Dysphagia
(gastrointestinal)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
Antioxidant Combination Therapy
Combination of antioxidants including vitamin E, alpha-lipoic acid, and selenium to reduce oxidative stress which is elevated in complex I deficiency. Aims to protect mitochondrial function from further damage.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Occupational and Physical Therapy
Comprehensive rehabilitation program addressing motor delays, muscle weakness, and functional limitations. Includes adaptive techniques and assistive devices to maximize independence.
Additional treatment options
EEG Monitoring and Seizure Management
Electroencephalogram evaluation for patients with suspected seizures, followed by appropriate anti-seizure medication management. Regular EEG monitoring may be warranted.
procedureEnergy Conservation Techniques
Teaching patients and families strategies to manage fatigue including activity pacing, rest breaks, and prioritization of essential activities. Helps prevent post-exertional worsening.
lifestyleFamily-Centered Counseling Services
Psychological support addressing the chronic nature of mitochondrial disease, family stress, and grief processing. Includes genetic counseling for family planning decisions.
psychologicalWhen 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 36 C5436935?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy