Griscelli Syndrome Type 1 C1859194
A rare genetic condition affecting skin color and nervous system development due to melanin transport defects. It causes silvery hair, hypopigmentation, and neurological problems. Care focuses on symptom 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.
Warning signs - seek immediate care
Seizures
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Peripheral neuropathy
(neurologic)Ocular albinism
(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
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Rigorous sun protection
Strict photoprotection including high-SPF sunscreen, protective clothing, and sun avoidance during peak hours to prevent melanocyte damage and reduce skin cancer risk in Griscelli syndrome type 1.
Additional treatment options
Neurological symptom management
Pharmaceutical management of seizures, spasticity, and other neurological manifestations with close titration and monitoring for efficacy and adverse effects.
medicationMotor rehabilitation program
Physical therapy focused on improving strength, balance, and functional mobility to address motor delays and prevent contractures associated with neurological involvement.
physical_therapyNeuropsychological support
Cognitive assessment and targeted interventions for intellectual disability, along with behavioral strategies to address challenging behaviors and improve quality of life.
psychologicalDermatological surveillance
Regular skin examinations and melanoma screening given increased risk of malignant melanoma, with documentation of pigmentary changes over time.
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 Griscelli Syndrome Type 1 C1859194?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Griscelli Syndrome Type 1 C1859194. 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