G93.40
G93.40: Encephalopathy, unspecified
Billable / specific codeICD-10-CM
G93.40 is a billable, specific ICD-10-CM code for encephalopathy, unspecified. It is valid for submission on a claim.
Check G93.40 with the rest of the claim: free scrubberExcludes2 inherited from the categories above G93.40
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with G93.40
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.
Medicare coverage
G93.40 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56551Billing and Coding: Visual Fields Testing
- A56612Billing and Coding: CT of the Head
- A56767Billing and Coding: Heavy Metal Testing
- A56799Billing and Coding: Visual Fields Testing
Alphabetic index entries that lead here
- Encephalopathy(acute)
Code history
Unchanged in every release from FY2024 to FY2027.