ICD-10-CM Diagnosis Code (2025)
Official Description for A86
Unspecified viral encephalitis
Coding Notes & Guidelines for A86
Inclusion Terms
- Viral encephalomyelitis NOS
- Viral meningoencephalitis NOS
About ICD-10-CM Code A86 (Unspecified viral encephalitis)
ICD-10-CM code A86 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A86 became effective on October 1, 2024.
This page provides detailed information about A86 - Unspecified viral encephalitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Unspecified viral encephalitis.