G93.4
G93.4: Other and unspecified encephalopathy
Non-billable headerICD-10-CM
G93.4 is a non-billable header ICD-10-CM code for other and unspecified encephalopathy. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Other codes that can never be billed with G93.4
Their own Excludes1 notes name this code, so the conflict is not listed above.
- G04Encephalitis, myelitis and encephalomyelitis
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 G93.4
7 child codes. Green means billable.
- G93.40Encephalopathy, unspecified
- G93.41Metabolic encephalopathy
- G93.42Megalencephalic leukoencephalopathy with subcortical cysts
- G93.43Leukoencephalopathy with calcifications and cysts
- G93.44Adult-onset leukodystrophy with axonal spheroids
- G93.45Developmental and epileptic encephalopathy
- G93.49Other encephalopathy