Muscular Dystrophy Dystroglycanopathy Congenital With Impaired Intellectual Development Type B 15 C5436552
A rare genetic muscle disorder present from birth. It causes progressive muscle weakness and may affect brain development, leading to intellectual disability.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizures
Joint pain or stiffness
(musculoskeletal)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Motor delay
(musculoskeletal)Intellectual disability
(musculoskeletal)Cardiomyopathy
(musculoskeletal)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
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Muscle strengthening and mobility program
Structured physical therapy focusing on gentle strengthening exercises, range of motion activities, and gait training to maintain muscle function, prevent contractures, and support independence in daily activities.
Additional treatment options
Symptomatic pharmacologic management
Medications such as corticosteroids may be used to help reduce inflammation, along with anticonvulsants for seizure management if present, and agents to manage muscle spasms or pain.
medicationNeurodevelopmental and behavioral support
Psychological services including cognitive behavioral therapy, developmental support, and educational interventions address intellectual disability, behavioral challenges, and emotional well-being associated with the condition.
psychologicalAssistive device and home modification
Use of wheelchairs, braces, communication devices, and home adaptations to maximize independence, ensure safety, and support participation in daily activities as disease progresses.
lifestyleMultidisciplinary surveillance program
Regular cardiac monitoring, pulmonary function assessments, and developmental evaluations by a team including neurology, cardiology, pulmonology, and developmental specialists to detect and manage complications.
monitoringWhen 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 Muscular Dystrophy Dystroglycanopathy Congenital With Impaired Intellectual Development Type B 15 C5436552?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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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.
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 27, 2026. · Read our editorial policy