G94 – Other disorders of brain in diseases classified elsewhere
ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system
ICD-10-CM code
G94
- Code
G94(claims format:G94)- Description
- Other disorders of brain in diseases classified elsewhere
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G89-G99 Other disorders of the nervous system
Notes for G94
Excludes1 (not coded here):
Code first:
- underlying disease
Index terms for G94
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Typhus, brain
- Typhus, cerebral
- Cyst, brain, hydatid
- Cyst, hydatid, brain
- Malaria, malarial, cerebral
- Encephalopathy, posthypoglycemic
- Encephalopathy, in, hyperinsulinism
- Hyperinsulinism, with, encephalopathy
- Disease, diseased, brain, parasitic NEC
- Disease, diseased, parasitic, cerebral NEC
- Epilepsy, epileptic, epilepsia, parasitic NOS
- Malaria, malarial, falciparum, with complications NEC, cerebral
Frequently asked questions
What is ICD-10 code G94?
G94 is the ICD-10-CM code for other disorders of brain in diseases classified elsewhere, in the block G89-G99 (Other disorders of the nervous system).
Is G94 a billable code?
Yes. G94 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.