G04.8
G04.8: Other encephalitis, myelitis and encephalomyelitis
Non-billable headerICD-10-CM
G04.8 is a non-billable header ICD-10-CM code for other encephalitis, myelitis and encephalomyelitis. It cannot be billed on its own: choose one of the more specific child codes below.
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
Excludes1 inherited from the categories above G04.8
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G04.8
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with G04.8
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead G04.8
3 child codes. Green means billable.