ICD-10-CM Diagnosis Code (2025)
Official Description for G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
Coding Notes & Guidelines for G04.02
code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
- Encephalitis, post immunization
- Encephalomyelitis, post immunization
Parent Code (Less Specific):
About ICD-10-CM Code G04.02 (Postimmunization acute disseminated encephalitis)
ICD-10-CM code G04.02 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 G04.02 became effective on October 1, 2024.
This page provides detailed information about G04.02 - Postimmunization acute disseminated 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 Postimmunization acute disseminated encephalitis related to myelitis and encephalomyelitis.