Mitochondrial Complex I Deficiency Nuclear Type 29 C4748830
A genetic condition caused by defects in nuclear DNA affecting mitochondrial energy production. Symptoms often appear in infancy or early childhood. Care involves supportive therapies and multidisciplinary management.
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
Respiratory failure
Encephalopathy
(neurological)Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Myopathy
(musculoskeletal)Renal tubular dysfunction
(renal)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
Endocrine and Metabolic Surveillance
Regular monitoring for endocrine complications including diabetes mellitus, thyroid dysfunction, and growth hormone deficiency which occur with increased frequency in mitochondrial complex I deficiency.
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
IDEBENONE Investigational Therapy
A CoQ10 analog developed specifically for mitochondrial disorders that may bypass complex I electron transfer defects. Often considered in clinical trials for mitochondrial disease patients.
Additional treatment options
Glycemic Control Diet
Careful carbohydrate management and glycemic index-focused diet to prevent glucose toxicity to mitochondria. Essential particularly if diabetes develops as complication of mitochondrial disease.
dietaryResistance Training Program
Carefully supervised resistance exercises designed to stimulate mitochondrial biogenesis in skeletal muscle without causing rhabdomyolysis. Progressive overload based on individual tolerance.
physical_therapyB-Vitamin Complex Supplementation
High-dose B-vitamin supplementation including thiamine (B1), riboflavin (B2), and niacin (B3) to support mitochondrial enzymes and electron transport chain function.
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 29 C4748830?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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 20, 2026. · Read our editorial policy