ICD-10-CM G04.8: Other encephalitis, myelitis and encephalomyelitis

ICD-10-CM Diagnosis Code (2025)

Official Description for G04.8

Other encephalitis, myelitis and encephalomyelitis

Coding Notes & Guidelines for G04.8

Excludes1: Not Coded Here

transverse myelitis (G37.3)

Inclusion Terms

Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)

Code Also

any associated seizure (G40.-, R56.9)

Parent Code (Less Specific):

About ICD-10-CM Code G04.8 (Other encephalitis)

ICD-10-CM code G04.8 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 G04.8 became effective on October 1, 2024.

This page provides detailed information about G04.8 - Other encephalitis, myelitis and encephalomyelitis. 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 Other encephalitis related to myelitis and encephalomyelitis.