Hypomyelinating Leukodystrophy 2 C1837355
A rare neurological disorder that impairs the brain's ability to produce myelin, the protective coating on nerve fibers. Symptoms typically appear in infancy and include motor delays and developmental regression. There is no cure, and care focuses on supportive management.
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 developmental delay
(neurologic)Spasticity
(neurologic)Cerebellar ataxia
(neurologic)Peripheral neuropathy
(neurologic)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
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Motor Function Rehabilitation
Structured physical therapy programs maintain joint range of motion, prevent contractures, and preserve functional mobility as long as possible. Therapy focuses on strength preservation and adaptive techniques for declining motor abilities.
Disease Progression Assessment
Regular neurological examinations and developmental assessments track motor and cognitive changes over time. Neuroimaging studies monitor white matter changes and help anticipate care needs as the condition evolves.
Additional treatment options
Symptomatic Pharmacological Management
Medications address specific symptoms such as spasticity, seizures, or movement disorders that accompany hypomyelination. Treatment selection is based on predominant symptom patterns and individual response to therapy.
medicationNeuropsychological Support
Cognitive assessment and psychological intervention address learning difficulties, behavioral changes, and emotional adjustment to progressive disability. Early intervention services maximize developmental potential and coping skills.
psychologicalExperimental Stem Cell Approaches
Investigational therapies exploring stem cell transplantation or gene therapy hold potential for future disease modification. Families should be counseled about available clinical trials and experimental protocols at specialized centers.
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 Hypomyelinating Leukodystrophy 2 C1837355?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Hypomyelinating Leukodystrophy 2 C1837355. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy