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Mitochondrial Neurogastrointestinal Encephalopathy Syndrome Rrm2b Related C2749862

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

A rare mitochondrial disorder affecting multiple organ systems, including the nervous system and digestive tract. It is severe and progressive, with treatment focused on managing symptoms.

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

Key facts at a glance

ICD-10
R69
ICD-11
MA00.0
Body system
metabolic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Gastrointestinal dysmotility

(metabolic)

Peripheral neuropathy

(metabolic)

Leukoencephalopathy

(metabolic)

Ptosis

(metabolic)

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

Comprehensive disease monitoring

Regular multidisciplinary monitoring including neurological assessments, gastrointestinal evaluation, and mitochondrial function tests to track disease progression and adjust interventions.

monitoring
2

Pharmacological management with first-line agents

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

medication
3

Nutritional support therapy

Specialized nutritional interventions including high-calorie supplements and management of malabsorption issues common in mitochondrial disorders to prevent cachexia.

dietary

Additional treatment options

Muscle strength preservation program

Targeted physical therapy focusing on gentle exercises to maintain muscle function and prevent contractures while avoiding overexertion that could worsen mitochondrial dysfunction.

physical_therapy

Symptomatic pharmacological management

Medications to address specific symptoms such as antiemetics for nausea, laxatives for constipation, and supplements to support mitochondrial function.

medication

Coenzyme Q10 and supplement therapy

Adjunctive supplementation with CoQ10, L-carnitine, and B vitamins to potentially support mitochondrial electron transport chain function.

complementary

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 Neurogastrointestinal Encephalopathy Syndrome Rrm2b Related C2749862?

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 Neurogastrointestinal Encephalopathy Syndrome Rrm2b Related C2749862. 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