G40.834
Dravet syndrome, intractable, without status epilepticus
Clinical Classification Guidelines
Inclusion Terms
- Dravet syndrome NOS
Medical Intelligence & Overview
Dravet syndrome, also known as severe myoclonic epilepsy of infancy, is a rare and chronic neurological disorder that begins in infancy. Characterized by frequent and prolonged seizures, it can significantly impact a child's development and quality of life. The ICD-10 code G40.834 specifically refers to a form of Dravet syndrome that is intractable, meaning difficult to control with standard treatments, and notably occurs without the occurrence of status epilepticus—a dangerous condition where seizures last too long or occur close together without recovery in between.
Causes & Symptoms
Clinical Causes: Genetic mutations, particularly in the SCN1A gene Inherited genetic factors Some cases may involve additional genetic abnormalities Environmental factors generally do not play a significant role
Key Symptoms: Prolonged, febrile and afebrile seizures in infancy Myoclonic jerks—sudden, brief involuntary muscle contractions Clonic seizures—jerking movements affecting multiple parts of the body Incoordination and balance issues Developmental delays or regression Behavioral abnormalities, such as hyperactivity or autistic features Sensitivity to light or sound Sleep disturbances
Diagnostic & Treatment
Diagnosis Path: Diagnosis primarily involves a comprehensive clinical evaluation, including detailed seizure history and physical examination. Electroencephalogram (EEG) tests typically reveal characteristic abnormal brain activity patterns. Genetic testing, particularly for mutations in the SCN1A gene, aids in confirmation. Additional assessments may include neuroimaging to rule out other conditions. Since the form specified is intractable without status epilepticus, healthcare providers focus on identifying seizure patterns resistant to standard treatments while monitoring for complications such as developmental delays.
Treatment Protocols: While there is no cure for Dravet syndrome, various strategies aim to manage seizures and improve quality of life. Treatment options include:
Clinical Advice & FAQs
Billing Guidance
Is G40.834 a billable ICD-10 code?
Yes, G40.834 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report G40.834?
Clinical documentation must specify the nature of Dravet syndrome, intractable, without status epilepticus and any associated comorbidities for accurate reporting.
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