G04.8
Other encephalitis, myelitis and encephalomyelitis
Clinical Classification Guidelines
Code Also
- any associated seizure (G40.-, R56.9)
Medical Intelligence & Overview
The ICD-10 code G04.8 refers to a category of neurological conditions that involve inflammation in the brain, spinal cord, or both. These conditions are collectively known as encephalitis, myelitis, or encephalomyelitis. Frequently caused by infections or immune system responses, these inflammations can impact the central nervous system, leading to various neurological symptoms. While some specific infections are well-documented causes, this code also encompasses other less common or unspecified causes of these inflammatory conditions.
Causes & Symptoms
Clinical Causes: Viral infections, such as herpes simplex virus, varicella-zoster virus, and enteroviruses Bacterial infections, including Lyme disease and tuberculosis Autoimmune responses where the immune system mistakenly attacks nervous tissue Parasitic infections Other, less common infectious agents or unknown causes
Key Symptoms: Headache Neck stiffness Fever and chills Confusion or altered mental state Seizures Weakness or paralysis in limbs Sensory disturbances like numbness or tingling Difficulty with coordination or balance Visual disturbances
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of medical history review, neurological examination, and laboratory tests. These may include blood tests to detect infection, lumbar puncture to analyze cerebrospinal fluid, MRI scans to visualize inflammation, and sometimes brain or spinal cord biopsies. These tests help distinguish between different types of encephalitis, myelitis, and encephalomyelitis and identify their underlying cause.
Treatment Protocols: Treatment approaches depend on the specific cause and severity of the inflammation. They may include antiviral or antibiotic medications if an infectious agent is identified. Corticosteroids or other immunosuppressive therapies might be used to reduce inflammation caused by immune responses. Supportive care, such as physical therapy, electrical stimulation, and rehabilitation, can be essential for recovery and managing residual neurological deficits.
Clinical Advice & FAQs
Billing Guidance
Is G04.8 a billable ICD-10 code?
Yes, G04.8 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report G04.8?
Clinical documentation must specify the nature of Other encephalitis, myelitis and encephalomyelitis and any associated comorbidities for accurate reporting.
Cite this Clinical Reference