Mitochondrial Complex V Atp Synthase Deficiency Nuclear Type 3 C3279708
A rare genetic disorder affecting mitochondria, the energy-producing structures in cells. It impairs energy generation, primarily affecting muscles, brain, and heart. Treatment focuses on symptom management and supportive care.
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.
Developmental delay
(neurological)Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Hypotonia
(musculoskeletal)Encephalopathy
(neurological)Peripheral neuropathy
(nervous)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
Coenzyme Q10 (CoQ10) supplementation
CoQ10 supplementation supports mitochondrial electron transport chain function and may help improve ATP production in complex V deficiency. This is commonly used as a supportive therapy in mitochondrial disorders.
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Regular cardiac monitoring
Echocardiograms and ECG to monitor for cardiomyopathy and arrhythmias, which are common complications in mitochondrial complex V deficiency. Early detection allows for timely intervention.
Additional treatment options
Energy conservation techniques
Teaching patients to balance activity with rest periods to prevent metabolic crises. Includes pacing strategies and stress management to minimize energy demands on compromised mitochondria.
lifestyleKetogenic diet consultation
Specialized dietary approach that may provide alternative energy substrates for mitochondrial dysfunction. Requires careful monitoring by metabolic specialists.
dietaryGentle exercise program
Tailored low-intensity exercises to maintain muscle strength and function without overexertion. Includes stretching, swimming, and walking programs adapted to patient capacity.
physical_therapyWhen 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 V Atp Synthase Deficiency Nuclear Type 3 C3279708?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy