Mitochondrial Disorder Due To A Defect In Mitochondrial Protein Synthesis C4700505
A genetic condition where mitochondria cannot properly make proteins needed for energy production, affecting muscles, brain, and other organs. Treatment focuses on symptom management and organ support.
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
Seizures
Optic atrophy
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Global developmental delay
(metabolic)Exercise intolerance
(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
B-Vitamin Complex Supplementation
High-dose B-vitamin supplementation, particularly thiamine (B1), riboflavin (B2), and niacin (B3), supports mitochondrial enzyme function and may improve protein synthesis pathways.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Metabolic and Growth Monitoring
Regular assessment of growth parameters, developmental milestones, lactate levels, and nutritional status helps guide treatment adjustments and identify complications early.
Additional treatment options
Protein-Supportive Nutritional Therapy
Ensuring adequate protein intake supports mitochondrial protein synthesis pathways while avoiding excessive protein that could stress impaired metabolism.
dietaryAntioxidant Support Protocol
A combination of antioxidants including vitamin E, selenium, and CoQ10 may help protect mitochondria from oxidative damage associated with protein synthesis defects.
complementaryMetabolic Stress Avoidance
Avoiding fasting, extreme temperatures, and physiological stressors helps prevent metabolic decompensation episodes common in mitochondrial protein synthesis disorders.
lifestyleWhen 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 Disorder Due To A Defect In Mitochondrial Protein Synthesis C4700505?
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.
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