Skip to content

Mitochondrial Dna Depletion Syndrome 8a C2749861

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition where cells lack sufficient mitochondrial DNA, impairing energy production. Symptoms typically appear in infancy. Care focuses on supportive measures.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Respiratory insufficiency requiring ventilation

!

Seizures

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Neonatal hypotonia (floppy infant)

(neurologic)

Feeding difficulties due to poor suction

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Evidence-based pharmacological treatment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Mitochondrial Disease-Specific Pharmacotherapy

Comprehensive mitochondrial support using Coenzyme Q10, L-carnitine, and B-vitamin supplementation to optimize mitochondrial respiratory chain function.

medication
3

Intensive Motor Rehabilitation

Aggressive physical therapy program combining resistance training, gait training, and functional exercises to maintain motor abilities and prevent deterioration.

physical_therapy

Additional treatment options

Ketogenic Diet Trial

Some mitochondrial disorders may benefit from ketogenic diet which provides alternative energy substrate through ketone bodies rather than glucose-dependent pathways.

dietary

Multidisciplinary Surveillance Program

Coordinated care involving neurology, cardiology, pulmonology, and nutrition with regular assessments to manage multisystem involvement.

monitoring

Neuropsychological Support

Cognitive assessment and psychological support services to address developmental delays, behavioral challenges, and family coping needs associated with progressive disease.

psychological

When 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.

Q

What is Mitochondrial Dna Depletion Syndrome 8a C2749861?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Mitochondrial Dna Depletion Syndrome 8a C2749861. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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