G93.89 – Other specified disorders of brain
ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system
ICD-10-CM code
G93.89
- Code
G93.89(claims format:G9389)- Description
- Other specified disorders of brain
- 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
- Parent codes
- G93 › G93.8
Notes for G93.89
Applicable to:
- Postradiation encephalopathy
Index terms for G93.89
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Gliosis
- Automatism
- Ependymopathy
- Pneumocephalus
- Fistula, brain
- Cicatrix, brain
- Stricture, brain
- Softening, brain
- Siderosis, brain
- Hardening, brain
- Syndrome, tegmental
- Syndrome, pontine NEC
- Depression, medullary
- Dysfunction, cerebral
- Syndrome, midbrain NEC
- Calcification, cerebral
- Lesion, motor cortex NEC
- Fungus, fungous, cerebral
- Stenosis, stenotic, brain
- Pneumatocele, intracranial
- Deformity, brain, acquired
- Induration, indurated, brain
- Calcification, choroid plexus
- Encephalopathy, postradiation
- Congestion, congestive, brain
Related codes in G93.8
- G93.81 – Temporal sclerosisBillable
- G93.82 – Brain deathBillable
Frequently asked questions
What is ICD-10 code G93.89?
G93.89 is the ICD-10-CM code for other specified disorders of brain, in the block G89-G99 (Other disorders of the nervous system).
Is G93.89 a billable code?
Yes. G93.89 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G93.89 belong to?
It belongs to category G93 – Other disorders of brain.
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.