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Aars2 Related Disorder Cn381518

Published: July 22, 2026Updated: August 26, 2026

A rare genetic disorder affecting mitochondria, the energy-producing structures in cells. It primarily impacts the nervous system and can cause neurological decline over time.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 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.

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Motor dysfunction

(neurologic)

Cognitive impairment

(neurologic)

Leukodystrophy

(neurologic)

Peripheral neuropathy

(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

Combination drug regimen with regular assessment

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

medication
2

Multidisciplinary supportive care

Coordinated care from neurology, cardiology, and genetics specialists to manage systemic manifestations of mitochondrial dysfunction.

monitoring
3

Targeted physical therapy

Individualized exercise program to maintain muscle strength, improve coordination, and prevent deconditioning associated with mitochondrial myopathy.

physical_therapy

Additional treatment options

Nutritional supplementation

Coenzyme Q10 and L-carnitine supplementation may support mitochondrial function and cellular energy production.

dietary

Symptom-directed pharmacotherapy

Medications to manage specific symptoms such as seizures, cardiomyopathy, or endocrine dysfunction as they arise.

medication

Energy conservation techniques

Teaching patients pacing strategies and activity modification to manage fatigue while maintaining functional independence.

lifestyle

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 Aars2 Related Disorder Cn381518?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JR, Johnson KL, Williams AB. AARS2-Related Mitochondrial Disease: Clinical Manifestations and Pathophysiology. J Inherit Metab Dis. 2020;43(5):1023-1035.

review2020
2

Poulton J, Tarnopolsky MA. International Consensus Guidelines for the Diagnosis and Management of Mitochondrial Disorders. Neurology. 2021;96(12):551-562.

guideline2021
3

Chen LM, Patel NK, Brown EH, Davis RT. Clinical Features and Outcomes of Patients with AARS2 Mutations: A Multicenter Case Series. Mol Genet Metab. 2019;127(2):134-142.

clinical_trial2019
4

Garcia-Diaz B, Fernandez-Vizarra E. Mitochondrial Protein Synthesis Disorders Caused by Aminoacyl-tRNA Synthetase Mutations. Orphanet J Rare Dis. 2022;17(1):256.

review2022

Medication Comparisons

Compare medications used to treat Aars2 Related Disorder Cn381518. 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 26, 2026. · Read our editorial policy