Mitochondrial Dna Depletion Syndrome 16a Cn300370
A genetic mitochondrial disorder causing progressive brain damage and multi-organ failure from cellular energy deficiency. Management involves supportive care and monitoring of affected organs.
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
Hepatopathy
Lactic acidosis
Neutropenia
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Renal tubular acidosis
(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
Coenzyme Q10 Supplementation
Coenzyme Q10 acts as an electron carrier in the mitochondrial respiratory chain and may help improve mitochondrial energy production in some patients with mitochondrial DNA depletion syndromes.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
High-Calorie Nutritional Support
Aggressive caloric intake to prevent catabolism and reduce metabolic stress on mitochondria, often delivered via enteral feeding when oral intake is insufficient.
Additional treatment options
Muscle Strength Maintenance Program
Structured physical therapy program focusing on gentle resistance exercises and range of motion to maintain muscle function and prevent contractures.
physical_therapyMultisystem Monitoring Protocol
Regular monitoring of cardiac function, liver enzymes, blood counts, and growth parameters to detect and manage organ-specific complications early.
monitoringL-Carnitine Supplementation
L-carnitine supports fatty acid metabolism and may help improve mitochondrial function by facilitating transport of fatty acids into mitochondria.
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 Dna Depletion Syndrome 16a Cn300370?
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